71200980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 230630400

約数和(自身を除く): 159429420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 109, 114, 171, 180, 190, 191, 218, 228, 285, 327, 342, 380, 382, 436, 545, 570, 573, 654, 684, 764, 855, 955, 981, 1090, 1140, 1146, 1308, 1635, 1710, 1719, 1910, 1962, 2071, 2180, 2292, 2865, 3270, 3420, 3438, 3629, 3820, 3924, 4142, 4905, 5730, 6213, 6540, 6876, 7258, 8284, 8595, 9810, 10355, 10887, 11460, 12426, 14516, 17190, 18145, 18639, 19620, 20710, 20819, 21774, 24852, 31065, 32661, 34380, 36290, 37278, 41420, 41638, 43548, 54435, 62130, 62457, 65322, 72580, 74556, 83276, 93195, 104095, 108870, 124260, 124914, 130644, 163305, 186390, 187371, 208190, 217740, 249828, 312285, 326610, 372780, 374742, 395561, 416380, 624570, 653220, 749484, 791122, 936855, 1186683, 1249140, 1582244, 1873710, 1977805, 2373366, 3560049, 3747420, 3955610, 4746732, 5933415, 7120098, 7911220, 11866830, 14240196, 17800245, 23733660, 35600490, 71200980]

約数ペア:

[(1, 71200980), (2, 35600490), (3, 23733660), (4, 17800245), (5, 14240196), (6, 11866830), (9, 7911220), (10, 7120098), (12, 5933415), (15, 4746732), (18, 3955610), (19, 3747420), (20, 3560049), (30, 2373366), (36, 1977805), (38, 1873710), (45, 1582244), (57, 1249140), (60, 1186683), (76, 936855), (90, 791122), (95, 749484), (109, 653220), (114, 624570), (171, 416380), (180, 395561), (190, 374742), (191, 372780), (218, 326610), (228, 312285), (285, 249828), (327, 217740), (342, 208190), (380, 187371), (382, 186390), (436, 163305), (545, 130644), (570, 124914), (573, 124260), (654, 108870), (684, 104095), (764, 93195), (855, 83276), (955, 74556), (981, 72580), (1090, 65322), (1140, 62457), (1146, 62130), (1308, 54435), (1635, 43548), (1710, 41638), (1719, 41420), (1910, 37278), (1962, 36290), (2071, 34380), (2180, 32661), (2292, 31065), (2865, 24852), (3270, 21774), (3420, 20819), (3438, 20710), (3629, 19620), (3820, 18639), (3924, 18145), (4142, 17190), (4905, 14516), (5730, 12426), (6213, 11460), (6540, 10887), (6876, 10355), (7258, 9810), (8284, 8595)]