31989750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 91518336

約数和(自身を除く): 59528586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 125, 130, 150, 170, 193, 195, 221, 250, 255, 325, 375, 386, 390, 425, 442, 510, 579, 650, 663, 750, 850, 965, 975, 1105, 1158, 1275, 1326, 1625, 1930, 1950, 2125, 2210, 2509, 2550, 2895, 3250, 3281, 3315, 4250, 4825, 4875, 5018, 5525, 5790, 6375, 6562, 6630, 7527, 9650, 9750, 9843, 11050, 12545, 12750, 14475, 15054, 16405, 16575, 19686, 24125, 25090, 27625, 28950, 32810, 33150, 37635, 42653, 48250, 49215, 55250, 62725, 72375, 75270, 82025, 82875, 85306, 98430, 125450, 127959, 144750, 164050, 165750, 188175, 213265, 246075, 255918, 313625, 376350, 410125, 426530, 492150, 627250, 639795, 820250, 940875, 1066325, 1230375, 1279590, 1881750, 2132650, 2460750, 3198975, 5331625, 6397950, 10663250, 15994875, 31989750]

約数ペア:

[(1, 31989750), (2, 15994875), (3, 10663250), (5, 6397950), (6, 5331625), (10, 3198975), (13, 2460750), (15, 2132650), (17, 1881750), (25, 1279590), (26, 1230375), (30, 1066325), (34, 940875), (39, 820250), (50, 639795), (51, 627250), (65, 492150), (75, 426530), (78, 410125), (85, 376350), (102, 313625), (125, 255918), (130, 246075), (150, 213265), (170, 188175), (193, 165750), (195, 164050), (221, 144750), (250, 127959), (255, 125450), (325, 98430), (375, 85306), (386, 82875), (390, 82025), (425, 75270), (442, 72375), (510, 62725), (579, 55250), (650, 49215), (663, 48250), (750, 42653), (850, 37635), (965, 33150), (975, 32810), (1105, 28950), (1158, 27625), (1275, 25090), (1326, 24125), (1625, 19686), (1930, 16575), (1950, 16405), (2125, 15054), (2210, 14475), (2509, 12750), (2550, 12545), (2895, 11050), (3250, 9843), (3281, 9750), (3315, 9650), (4250, 7527), (4825, 6630), (4875, 6562), (5018, 6375), (5525, 5790)]