310781250

素因数分解:

$2^1\times 3^2\times 5^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:73

約数の個数: 192

約数和(自身を含む): 959763168

約数和(自身を除く): 648981918

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 25, 26, 30, 34, 39, 45, 50, 51, 65, 75, 78, 85, 90, 102, 117, 125, 130, 150, 153, 170, 195, 221, 225, 234, 250, 255, 306, 325, 375, 390, 425, 442, 450, 510, 585, 625, 650, 663, 750, 765, 850, 975, 1105, 1125, 1170, 1250, 1275, 1326, 1530, 1625, 1875, 1950, 1989, 2125, 2210, 2250, 2550, 2925, 3125, 3250, 3315, 3750, 3825, 3978, 4250, 4875, 5525, 5625, 5850, 6250, 6375, 6630, 7650, 8125, 9375, 9750, 9945, 10625, 11050, 11250, 12750, 14625, 15625, 16250, 16575, 18750, 19125, 19890, 21250, 24375, 27625, 28125, 29250, 31250, 31875, 33150, 38250, 40625, 46875, 48750, 49725, 53125, 55250, 56250, 63750, 73125, 78125, 81250, 82875, 93750, 95625, 99450, 106250, 121875, 138125, 140625, 146250, 156250, 159375, 165750, 191250, 203125, 234375, 243750, 248625, 265625, 276250, 281250, 318750, 365625, 406250, 414375, 468750, 478125, 497250, 531250, 609375, 690625, 703125, 731250, 796875, 828750, 956250, 1015625, 1218750, 1243125, 1328125, 1381250, 1406250, 1593750, 1828125, 2031250, 2071875, 2390625, 2486250, 2656250, 3046875, 3453125, 3656250, 3984375, 4143750, 4781250, 6093750, 6215625, 6906250, 7968750, 9140625, 10359375, 11953125, 12431250, 17265625, 18281250, 20718750, 23906250, 31078125, 34531250, 51796875, 62156250, 103593750, 155390625, 310781250]

約数ペア:

[(1, 310781250), (2, 155390625), (3, 103593750), (5, 62156250), (6, 51796875), (9, 34531250), (10, 31078125), (13, 23906250), (15, 20718750), (17, 18281250), (18, 17265625), (25, 12431250), (26, 11953125), (30, 10359375), (34, 9140625), (39, 7968750), (45, 6906250), (50, 6215625), (51, 6093750), (65, 4781250), (75, 4143750), (78, 3984375), (85, 3656250), (90, 3453125), (102, 3046875), (117, 2656250), (125, 2486250), (130, 2390625), (150, 2071875), (153, 2031250), (170, 1828125), (195, 1593750), (221, 1406250), (225, 1381250), (234, 1328125), (250, 1243125), (255, 1218750), (306, 1015625), (325, 956250), (375, 828750), (390, 796875), (425, 731250), (442, 703125), (450, 690625), (510, 609375), (585, 531250), (625, 497250), (650, 478125), (663, 468750), (750, 414375), (765, 406250), (850, 365625), (975, 318750), (1105, 281250), (1125, 276250), (1170, 265625), (1250, 248625), (1275, 243750), (1326, 234375), (1530, 203125), (1625, 191250), (1875, 165750), (1950, 159375), (1989, 156250), (2125, 146250), (2210, 140625), (2250, 138125), (2550, 121875), (2925, 106250), (3125, 99450), (3250, 95625), (3315, 93750), (3750, 82875), (3825, 81250), (3978, 78125), (4250, 73125), (4875, 63750), (5525, 56250), (5625, 55250), (5850, 53125), (6250, 49725), (6375, 48750), (6630, 46875), (7650, 40625), (8125, 38250), (9375, 33150), (9750, 31875), (9945, 31250), (10625, 29250), (11050, 28125), (11250, 27625), (12750, 24375), (14625, 21250), (15625, 19890), (16250, 19125), (16575, 18750)]