78660900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1322

約数の個数: 108

約数和(自身を含む): 250233984

約数和(自身を除く): 171573084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 142, 150, 180, 213, 225, 284, 300, 355, 426, 450, 639, 710, 852, 900, 1065, 1231, 1278, 1420, 1775, 2130, 2462, 2556, 3195, 3550, 3693, 4260, 4924, 5325, 6155, 6390, 7100, 7386, 10650, 11079, 12310, 12780, 14772, 15975, 18465, 21300, 22158, 24620, 30775, 31950, 36930, 44316, 55395, 61550, 63900, 73860, 87401, 92325, 110790, 123100, 174802, 184650, 221580, 262203, 276975, 349604, 369300, 437005, 524406, 553950, 786609, 874010, 1048812, 1107900, 1311015, 1573218, 1748020, 2185025, 2622030, 3146436, 3933045, 4370050, 5244060, 6555075, 7866090, 8740100, 13110150, 15732180, 19665225, 26220300, 39330450, 78660900]

約数ペア:

[(1, 78660900), (2, 39330450), (3, 26220300), (4, 19665225), (5, 15732180), (6, 13110150), (9, 8740100), (10, 7866090), (12, 6555075), (15, 5244060), (18, 4370050), (20, 3933045), (25, 3146436), (30, 2622030), (36, 2185025), (45, 1748020), (50, 1573218), (60, 1311015), (71, 1107900), (75, 1048812), (90, 874010), (100, 786609), (142, 553950), (150, 524406), (180, 437005), (213, 369300), (225, 349604), (284, 276975), (300, 262203), (355, 221580), (426, 184650), (450, 174802), (639, 123100), (710, 110790), (852, 92325), (900, 87401), (1065, 73860), (1231, 63900), (1278, 61550), (1420, 55395), (1775, 44316), (2130, 36930), (2462, 31950), (2556, 30775), (3195, 24620), (3550, 22158), (3693, 21300), (4260, 18465), (4924, 15975), (5325, 14772), (6155, 12780), (6390, 12310), (7100, 11079), (7386, 10650)]