81351090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 222393600

約数和(自身を除く): 141042510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 71, 87, 90, 142, 145, 174, 213, 261, 290, 355, 426, 435, 439, 522, 639, 710, 870, 878, 1065, 1278, 1305, 1317, 2059, 2130, 2195, 2610, 2634, 3195, 3951, 4118, 4390, 6177, 6390, 6585, 7902, 10295, 12354, 12731, 13170, 18531, 19755, 20590, 25462, 30885, 31169, 37062, 38193, 39510, 61770, 62338, 63655, 76386, 92655, 93507, 114579, 127310, 155845, 185310, 187014, 190965, 229158, 280521, 311690, 381930, 467535, 561042, 572895, 903901, 935070, 1145790, 1402605, 1807802, 2711703, 2805210, 4519505, 5423406, 8135109, 9039010, 13558515, 16270218, 27117030, 40675545, 81351090]

約数ペア:

[(1, 81351090), (2, 40675545), (3, 27117030), (5, 16270218), (6, 13558515), (9, 9039010), (10, 8135109), (15, 5423406), (18, 4519505), (29, 2805210), (30, 2711703), (45, 1807802), (58, 1402605), (71, 1145790), (87, 935070), (90, 903901), (142, 572895), (145, 561042), (174, 467535), (213, 381930), (261, 311690), (290, 280521), (355, 229158), (426, 190965), (435, 187014), (439, 185310), (522, 155845), (639, 127310), (710, 114579), (870, 93507), (878, 92655), (1065, 76386), (1278, 63655), (1305, 62338), (1317, 61770), (2059, 39510), (2130, 38193), (2195, 37062), (2610, 31169), (2634, 30885), (3195, 25462), (3951, 20590), (4118, 19755), (4390, 18531), (6177, 13170), (6390, 12731), (6585, 12354), (7902, 10295)]