278261100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1449

約数の個数: 216

約数和(自身を含む): 995248800

約数和(自身を除く): 716987700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 25, 26, 30, 34, 36, 39, 45, 50, 51, 52, 60, 65, 68, 75, 78, 85, 90, 100, 102, 117, 130, 150, 153, 156, 170, 180, 195, 204, 221, 225, 234, 255, 260, 300, 306, 325, 340, 390, 425, 442, 450, 468, 510, 585, 612, 650, 663, 765, 780, 850, 884, 900, 975, 1020, 1105, 1170, 1275, 1300, 1326, 1399, 1530, 1700, 1950, 1989, 2210, 2340, 2550, 2652, 2798, 2925, 3060, 3315, 3825, 3900, 3978, 4197, 4420, 5100, 5525, 5596, 5850, 6630, 6995, 7650, 7956, 8394, 9945, 11050, 11700, 12591, 13260, 13990, 15300, 16575, 16788, 18187, 19890, 20985, 22100, 23783, 25182, 27980, 33150, 34975, 36374, 39780, 41970, 47566, 49725, 50364, 54561, 62955, 66300, 69950, 71349, 72748, 83940, 90935, 95132, 99450, 104925, 109122, 118915, 125910, 139900, 142698, 163683, 181870, 198900, 209850, 214047, 218244, 237830, 251820, 272805, 285396, 309179, 314775, 327366, 356745, 363740, 419700, 428094, 454675, 475660, 545610, 594575, 618358, 629550, 654732, 713490, 818415, 856188, 909350, 927537, 1070235, 1091220, 1189150, 1236716, 1259100, 1364025, 1426980, 1545895, 1636830, 1783725, 1818700, 1855074, 2140470, 2378300, 2728050, 2782611, 3091790, 3273660, 3567450, 3710148, 4092075, 4280940, 4637685, 5351175, 5456100, 5565222, 6183580, 7134900, 7729475, 8184150, 9275370, 10702350, 11130444, 13913055, 15458950, 16368300, 18550740, 21404700, 23188425, 27826110, 30917900, 46376850, 55652220, 69565275, 92753700, 139130550, 278261100]

約数ペア:

[(1, 278261100), (2, 139130550), (3, 92753700), (4, 69565275), (5, 55652220), (6, 46376850), (9, 30917900), (10, 27826110), (12, 23188425), (13, 21404700), (15, 18550740), (17, 16368300), (18, 15458950), (20, 13913055), (25, 11130444), (26, 10702350), (30, 9275370), (34, 8184150), (36, 7729475), (39, 7134900), (45, 6183580), (50, 5565222), (51, 5456100), (52, 5351175), (60, 4637685), (65, 4280940), (68, 4092075), (75, 3710148), (78, 3567450), (85, 3273660), (90, 3091790), (100, 2782611), (102, 2728050), (117, 2378300), (130, 2140470), (150, 1855074), (153, 1818700), (156, 1783725), (170, 1636830), (180, 1545895), (195, 1426980), (204, 1364025), (221, 1259100), (225, 1236716), (234, 1189150), (255, 1091220), (260, 1070235), (300, 927537), (306, 909350), (325, 856188), (340, 818415), (390, 713490), (425, 654732), (442, 629550), (450, 618358), (468, 594575), (510, 545610), (585, 475660), (612, 454675), (650, 428094), (663, 419700), (765, 363740), (780, 356745), (850, 327366), (884, 314775), (900, 309179), (975, 285396), (1020, 272805), (1105, 251820), (1170, 237830), (1275, 218244), (1300, 214047), (1326, 209850), (1399, 198900), (1530, 181870), (1700, 163683), (1950, 142698), (1989, 139900), (2210, 125910), (2340, 118915), (2550, 109122), (2652, 104925), (2798, 99450), (2925, 95132), (3060, 90935), (3315, 83940), (3825, 72748), (3900, 71349), (3978, 69950), (4197, 66300), (4420, 62955), (5100, 54561), (5525, 50364), (5596, 49725), (5850, 47566), (6630, 41970), (6995, 39780), (7650, 36374), (7956, 34975), (8394, 33150), (9945, 27980), (11050, 25182), (11700, 23783), (12591, 22100), (13260, 20985), (13990, 19890), (15300, 18187), (16575, 16788)]