257177700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:484

約数の個数: 288

約数和(自身を含む): 944939520

約数和(自身を除く): 687761820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 25, 26, 27, 30, 34, 36, 39, 45, 50, 51, 52, 54, 60, 65, 68, 75, 78, 85, 90, 100, 102, 108, 117, 130, 135, 150, 153, 156, 170, 180, 195, 204, 221, 225, 234, 255, 260, 270, 300, 306, 325, 340, 351, 390, 425, 431, 442, 450, 459, 468, 510, 540, 585, 612, 650, 663, 675, 702, 765, 780, 850, 862, 884, 900, 918, 975, 1020, 1105, 1170, 1275, 1293, 1300, 1326, 1350, 1404, 1530, 1700, 1724, 1755, 1836, 1950, 1989, 2155, 2210, 2295, 2340, 2550, 2586, 2652, 2700, 2925, 3060, 3315, 3510, 3825, 3879, 3900, 3978, 4310, 4420, 4590, 5100, 5172, 5525, 5603, 5850, 5967, 6465, 6630, 7020, 7327, 7650, 7758, 7956, 8620, 8775, 9180, 9945, 10775, 11050, 11206, 11475, 11637, 11700, 11934, 12930, 13260, 14654, 15300, 15516, 16575, 16809, 17550, 19395, 19890, 21550, 21981, 22100, 22412, 22950, 23274, 23868, 25860, 28015, 29308, 29835, 32325, 33150, 33618, 35100, 36635, 38790, 39780, 43100, 43962, 45900, 46548, 49725, 50427, 56030, 58185, 59670, 64650, 65943, 66300, 67236, 73270, 77580, 84045, 87924, 95251, 96975, 99450, 100854, 109905, 112060, 116370, 119340, 129300, 131886, 140075, 146540, 149175, 151281, 168090, 183175, 190502, 193950, 197829, 198900, 201708, 219810, 232740, 252135, 263772, 280150, 285753, 290925, 298350, 302562, 329715, 336180, 366350, 381004, 387900, 395658, 420225, 439620, 476255, 504270, 549525, 560300, 571506, 581850, 596700, 605124, 659430, 732700, 756405, 791316, 840450, 857259, 952510, 989145, 1008540, 1099050, 1143012, 1163700, 1260675, 1318860, 1428765, 1512810, 1648575, 1680900, 1714518, 1905020, 1978290, 2198100, 2381275, 2521350, 2571777, 2857530, 3025620, 3297150, 3429036, 3782025, 3956580, 4286295, 4762550, 4945725, 5042700, 5143554, 5715060, 6594300, 7143825, 7564050, 8572590, 9525100, 9891450, 10287108, 12858885, 14287650, 15128100, 17145180, 19782900, 21431475, 25717770, 28575300, 42862950, 51435540, 64294425, 85725900, 128588850, 257177700]

約数ペア:

[(1, 257177700), (2, 128588850), (3, 85725900), (4, 64294425), (5, 51435540), (6, 42862950), (9, 28575300), (10, 25717770), (12, 21431475), (13, 19782900), (15, 17145180), (17, 15128100), (18, 14287650), (20, 12858885), (25, 10287108), (26, 9891450), (27, 9525100), (30, 8572590), (34, 7564050), (36, 7143825), (39, 6594300), (45, 5715060), (50, 5143554), (51, 5042700), (52, 4945725), (54, 4762550), (60, 4286295), (65, 3956580), (68, 3782025), (75, 3429036), (78, 3297150), (85, 3025620), (90, 2857530), (100, 2571777), (102, 2521350), (108, 2381275), (117, 2198100), (130, 1978290), (135, 1905020), (150, 1714518), (153, 1680900), (156, 1648575), (170, 1512810), (180, 1428765), (195, 1318860), (204, 1260675), (221, 1163700), (225, 1143012), (234, 1099050), (255, 1008540), (260, 989145), (270, 952510), (300, 857259), (306, 840450), (325, 791316), (340, 756405), (351, 732700), (390, 659430), (425, 605124), (431, 596700), (442, 581850), (450, 571506), (459, 560300), (468, 549525), (510, 504270), (540, 476255), (585, 439620), (612, 420225), (650, 395658), (663, 387900), (675, 381004), (702, 366350), (765, 336180), (780, 329715), (850, 302562), (862, 298350), (884, 290925), (900, 285753), (918, 280150), (975, 263772), (1020, 252135), (1105, 232740), (1170, 219810), (1275, 201708), (1293, 198900), (1300, 197829), (1326, 193950), (1350, 190502), (1404, 183175), (1530, 168090), (1700, 151281), (1724, 149175), (1755, 146540), (1836, 140075), (1950, 131886), (1989, 129300), (2155, 119340), (2210, 116370), (2295, 112060), (2340, 109905), (2550, 100854), (2586, 99450), (2652, 96975), (2700, 95251), (2925, 87924), (3060, 84045), (3315, 77580), (3510, 73270), (3825, 67236), (3879, 66300), (3900, 65943), (3978, 64650), (4310, 59670), (4420, 58185), (4590, 56030), (5100, 50427), (5172, 49725), (5525, 46548), (5603, 45900), (5850, 43962), (5967, 43100), (6465, 39780), (6630, 38790), (7020, 36635), (7327, 35100), (7650, 33618), (7758, 33150), (7956, 32325), (8620, 29835), (8775, 29308), (9180, 28015), (9945, 25860), (10775, 23868), (11050, 23274), (11206, 22950), (11475, 22412), (11637, 22100), (11700, 21981), (11934, 21550), (12930, 19890), (13260, 19395), (14654, 17550), (15300, 16809), (15516, 16575)]