256921500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:733

約数の個数: 192

約数和(自身を含む): 852913152

約数和(自身を除く): 595991652

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 25, 30, 33, 44, 46, 50, 55, 60, 66, 69, 75, 92, 100, 110, 115, 125, 132, 138, 150, 165, 220, 230, 250, 253, 275, 276, 300, 330, 345, 375, 460, 500, 506, 550, 575, 660, 677, 690, 750, 759, 825, 1012, 1100, 1150, 1265, 1354, 1375, 1380, 1500, 1518, 1650, 1725, 2031, 2300, 2530, 2708, 2750, 2875, 3036, 3300, 3385, 3450, 3795, 4062, 4125, 5060, 5500, 5750, 6325, 6770, 6900, 7447, 7590, 8124, 8250, 8625, 10155, 11500, 12650, 13540, 14894, 15180, 15571, 16500, 16925, 17250, 18975, 20310, 22341, 25300, 29788, 31142, 31625, 33850, 34500, 37235, 37950, 40620, 44682, 46713, 50775, 62284, 63250, 67700, 74470, 75900, 77855, 84625, 89364, 93426, 94875, 101550, 111705, 126500, 148940, 155710, 169250, 171281, 186175, 186852, 189750, 203100, 223410, 233565, 253875, 311420, 338500, 342562, 372350, 379500, 389275, 446820, 467130, 507750, 513843, 558525, 685124, 744700, 778550, 856405, 930875, 934260, 1015500, 1027686, 1117050, 1167825, 1557100, 1712810, 1861750, 1946375, 2055372, 2234100, 2335650, 2569215, 2792625, 3425620, 3723500, 3892750, 4282025, 4671300, 5138430, 5585250, 5839125, 7785500, 8564050, 10276860, 11170500, 11678250, 12846075, 17128100, 21410125, 23356500, 25692150, 42820250, 51384300, 64230375, 85640500, 128460750, 256921500]

約数ペア:

[(1, 256921500), (2, 128460750), (3, 85640500), (4, 64230375), (5, 51384300), (6, 42820250), (10, 25692150), (11, 23356500), (12, 21410125), (15, 17128100), (20, 12846075), (22, 11678250), (23, 11170500), (25, 10276860), (30, 8564050), (33, 7785500), (44, 5839125), (46, 5585250), (50, 5138430), (55, 4671300), (60, 4282025), (66, 3892750), (69, 3723500), (75, 3425620), (92, 2792625), (100, 2569215), (110, 2335650), (115, 2234100), (125, 2055372), (132, 1946375), (138, 1861750), (150, 1712810), (165, 1557100), (220, 1167825), (230, 1117050), (250, 1027686), (253, 1015500), (275, 934260), (276, 930875), (300, 856405), (330, 778550), (345, 744700), (375, 685124), (460, 558525), (500, 513843), (506, 507750), (550, 467130), (575, 446820), (660, 389275), (677, 379500), (690, 372350), (750, 342562), (759, 338500), (825, 311420), (1012, 253875), (1100, 233565), (1150, 223410), (1265, 203100), (1354, 189750), (1375, 186852), (1380, 186175), (1500, 171281), (1518, 169250), (1650, 155710), (1725, 148940), (2031, 126500), (2300, 111705), (2530, 101550), (2708, 94875), (2750, 93426), (2875, 89364), (3036, 84625), (3300, 77855), (3385, 75900), (3450, 74470), (3795, 67700), (4062, 63250), (4125, 62284), (5060, 50775), (5500, 46713), (5750, 44682), (6325, 40620), (6770, 37950), (6900, 37235), (7447, 34500), (7590, 33850), (8124, 31625), (8250, 31142), (8625, 29788), (10155, 25300), (11500, 22341), (12650, 20310), (13540, 18975), (14894, 17250), (15180, 16925), (15571, 16500)]