1971180900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:756

約数の個数: 288

約数和(自身を含む): 6912057600

約数和(自身を除く): 4940876700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 89, 90, 100, 108, 117, 130, 135, 150, 156, 178, 180, 195, 225, 234, 260, 267, 270, 300, 325, 351, 356, 390, 445, 450, 468, 534, 540, 585, 631, 650, 675, 702, 780, 801, 890, 900, 975, 1068, 1157, 1170, 1262, 1300, 1335, 1350, 1404, 1602, 1755, 1780, 1893, 1950, 2225, 2314, 2340, 2403, 2524, 2670, 2700, 2925, 3155, 3204, 3471, 3510, 3786, 3900, 4005, 4450, 4628, 4806, 5340, 5679, 5785, 5850, 6310, 6675, 6942, 7020, 7572, 8010, 8203, 8775, 8900, 9465, 9612, 10413, 11358, 11570, 11700, 12015, 12620, 13350, 13884, 15775, 16020, 16406, 17037, 17355, 17550, 18930, 20025, 20826, 22716, 23140, 24030, 24609, 26700, 28395, 28925, 31239, 31550, 32812, 34074, 34710, 35100, 37860, 40050, 41015, 41652, 47325, 48060, 49218, 52065, 56159, 56790, 57850, 60075, 62478, 63100, 68148, 69420, 73827, 80100, 82030, 85185, 86775, 94650, 98436, 104130, 112318, 113580, 115700, 120150, 123045, 124956, 141975, 147654, 156195, 164060, 168477, 170370, 173550, 189300, 205075, 208260, 221481, 224636, 240300, 246090, 260325, 280795, 283950, 295308, 312390, 336954, 340740, 347100, 369135, 410150, 425925, 442962, 492180, 505431, 520650, 561590, 567900, 615225, 624780, 673908, 730067, 738270, 780975, 820300, 842385, 851850, 885924, 1010862, 1041300, 1107405, 1123180, 1230450, 1403975, 1460134, 1476540, 1516293, 1561950, 1684770, 1703700, 1845675, 2021724, 2190201, 2214810, 2460900, 2527155, 2807950, 2920268, 3032586, 3123900, 3369540, 3650335, 3691350, 4211925, 4380402, 4429620, 5054310, 5537025, 5615900, 6065172, 6570603, 7300670, 7382700, 7581465, 8423850, 8760804, 10108620, 10951005, 11074050, 12635775, 13141206, 14601340, 15162930, 16847700, 18251675, 19711809, 21902010, 22148100, 25271550, 26282412, 30325860, 32853015, 36503350, 37907325, 39423618, 43804020, 50543100, 54755025, 65706030, 73006700, 75814650, 78847236, 98559045, 109510050, 131412060, 151629300, 164265075, 197118090, 219020100, 328530150, 394236180, 492795225, 657060300, 985590450, 1971180900]

約数ペア:

[(1, 1971180900), (2, 985590450), (3, 657060300), (4, 492795225), (5, 394236180), (6, 328530150), (9, 219020100), (10, 197118090), (12, 164265075), (13, 151629300), (15, 131412060), (18, 109510050), (20, 98559045), (25, 78847236), (26, 75814650), (27, 73006700), (30, 65706030), (36, 54755025), (39, 50543100), (45, 43804020), (50, 39423618), (52, 37907325), (54, 36503350), (60, 32853015), (65, 30325860), (75, 26282412), (78, 25271550), (89, 22148100), (90, 21902010), (100, 19711809), (108, 18251675), (117, 16847700), (130, 15162930), (135, 14601340), (150, 13141206), (156, 12635775), (178, 11074050), (180, 10951005), (195, 10108620), (225, 8760804), (234, 8423850), (260, 7581465), (267, 7382700), (270, 7300670), (300, 6570603), (325, 6065172), (351, 5615900), (356, 5537025), (390, 5054310), (445, 4429620), (450, 4380402), (468, 4211925), (534, 3691350), (540, 3650335), (585, 3369540), (631, 3123900), (650, 3032586), (675, 2920268), (702, 2807950), (780, 2527155), (801, 2460900), (890, 2214810), (900, 2190201), (975, 2021724), (1068, 1845675), (1157, 1703700), (1170, 1684770), (1262, 1561950), (1300, 1516293), (1335, 1476540), (1350, 1460134), (1404, 1403975), (1602, 1230450), (1755, 1123180), (1780, 1107405), (1893, 1041300), (1950, 1010862), (2225, 885924), (2314, 851850), (2340, 842385), (2403, 820300), (2524, 780975), (2670, 738270), (2700, 730067), (2925, 673908), (3155, 624780), (3204, 615225), (3471, 567900), (3510, 561590), (3786, 520650), (3900, 505431), (4005, 492180), (4450, 442962), (4628, 425925), (4806, 410150), (5340, 369135), (5679, 347100), (5785, 340740), (5850, 336954), (6310, 312390), (6675, 295308), (6942, 283950), (7020, 280795), (7572, 260325), (8010, 246090), (8203, 240300), (8775, 224636), (8900, 221481), (9465, 208260), (9612, 205075), (10413, 189300), (11358, 173550), (11570, 170370), (11700, 168477), (12015, 164060), (12620, 156195), (13350, 147654), (13884, 141975), (15775, 124956), (16020, 123045), (16406, 120150), (17037, 115700), (17355, 113580), (17550, 112318), (18930, 104130), (20025, 98436), (20826, 94650), (22716, 86775), (23140, 85185), (24030, 82030), (24609, 80100), (26700, 73827), (28395, 69420), (28925, 68148), (31239, 63100), (31550, 62478), (32812, 60075), (34074, 57850), (34710, 56790), (35100, 56159), (37860, 52065), (40050, 49218), (41015, 48060), (41652, 47325)]