78147960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:909

約数の個数: 128

約数和(自身を含む): 259580160

約数和(自身を除く): 181432200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 73, 88, 110, 120, 132, 146, 165, 219, 220, 264, 292, 330, 365, 438, 440, 584, 660, 730, 803, 811, 876, 1095, 1320, 1460, 1606, 1622, 1752, 2190, 2409, 2433, 2920, 3212, 3244, 4015, 4055, 4380, 4818, 4866, 6424, 6488, 8030, 8110, 8760, 8921, 9636, 9732, 12045, 12165, 16060, 16220, 17842, 19272, 19464, 24090, 24330, 26763, 32120, 32440, 35684, 44605, 48180, 48660, 53526, 59203, 71368, 89210, 96360, 97320, 107052, 118406, 133815, 177609, 178420, 214104, 236812, 267630, 296015, 355218, 356840, 473624, 535260, 592030, 651233, 710436, 888045, 1070520, 1184060, 1302466, 1420872, 1776090, 1953699, 2368120, 2604932, 3256165, 3552180, 3907398, 5209864, 6512330, 7104360, 7814796, 9768495, 13024660, 15629592, 19536990, 26049320, 39073980, 78147960]

約数ペア:

[(1, 78147960), (2, 39073980), (3, 26049320), (4, 19536990), (5, 15629592), (6, 13024660), (8, 9768495), (10, 7814796), (11, 7104360), (12, 6512330), (15, 5209864), (20, 3907398), (22, 3552180), (24, 3256165), (30, 2604932), (33, 2368120), (40, 1953699), (44, 1776090), (55, 1420872), (60, 1302466), (66, 1184060), (73, 1070520), (88, 888045), (110, 710436), (120, 651233), (132, 592030), (146, 535260), (165, 473624), (219, 356840), (220, 355218), (264, 296015), (292, 267630), (330, 236812), (365, 214104), (438, 178420), (440, 177609), (584, 133815), (660, 118406), (730, 107052), (803, 97320), (811, 96360), (876, 89210), (1095, 71368), (1320, 59203), (1460, 53526), (1606, 48660), (1622, 48180), (1752, 44605), (2190, 35684), (2409, 32440), (2433, 32120), (2920, 26763), (3212, 24330), (3244, 24090), (4015, 19464), (4055, 19272), (4380, 17842), (4818, 16220), (4866, 16060), (6424, 12165), (6488, 12045), (8030, 9732), (8110, 9636), (8760, 8921)]