1815691020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211619}}^1$

素因数の和:211655

約数の個数: 96

約数和(自身を含む): 5972762880

約数和(自身を除く): 4157071860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 4290, 8580, 211619, 423238, 634857, 846476, 1058095, 1269714, 2116190, 2327809, 2539428, 2751047, 3174285, 4232380, 4655618, 5502094, 6348570, 6983427, 8253141, 9311236, 11004188, 11639045, 12697140, 13755235, 13966854, 16506282, 23278090, 27510470, 27933708, 30261517, 33012564, 34917135, 41265705, 46556180, 55020940, 60523034, 69834270, 82531410, 90784551, 121046068, 139668540, 151307585, 165062820, 181569102, 302615170, 363138204, 453922755, 605230340, 907845510, 1815691020]

約数ペア:

[(1, 1815691020), (2, 907845510), (3, 605230340), (4, 453922755), (5, 363138204), (6, 302615170), (10, 181569102), (11, 165062820), (12, 151307585), (13, 139668540), (15, 121046068), (20, 90784551), (22, 82531410), (26, 69834270), (30, 60523034), (33, 55020940), (39, 46556180), (44, 41265705), (52, 34917135), (55, 33012564), (60, 30261517), (65, 27933708), (66, 27510470), (78, 23278090), (110, 16506282), (130, 13966854), (132, 13755235), (143, 12697140), (156, 11639045), (165, 11004188), (195, 9311236), (220, 8253141), (260, 6983427), (286, 6348570), (330, 5502094), (390, 4655618), (429, 4232380), (572, 3174285), (660, 2751047), (715, 2539428), (780, 2327809), (858, 2116190), (1430, 1269714), (1716, 1058095), (2145, 846476), (2860, 634857), (4290, 423238), (8580, 211619)]