15998021220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1\times {\mathrm{11939}}^1$

素因数の和:12945

約数の個数: 96

約数和(自身を含む): 46794101760

約数和(自身を除く): 30796080540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 971, 1380, 1942, 2913, 3884, 4855, 5826, 9710, 11652, 11939, 14565, 19420, 22333, 23878, 29130, 35817, 44666, 47756, 58260, 59695, 66999, 71634, 89332, 111665, 119390, 133998, 143268, 179085, 223330, 238780, 267996, 274597, 334995, 358170, 446660, 549194, 669990, 716340, 823791, 1098388, 1339980, 1372985, 1647582, 2745970, 3295164, 4118955, 5491940, 8237910, 11592769, 16475820, 23185538, 34778307, 46371076, 57963845, 69556614, 115927690, 139113228, 173891535, 231855380, 266633687, 347783070, 533267374, 695566140, 799901061, 1066534748, 1333168435, 1599802122, 2666336870, 3199604244, 3999505305, 5332673740, 7999010610, 15998021220]

約数ペア:

[(1, 15998021220), (2, 7999010610), (3, 5332673740), (4, 3999505305), (5, 3199604244), (6, 2666336870), (10, 1599802122), (12, 1333168435), (15, 1066534748), (20, 799901061), (23, 695566140), (30, 533267374), (46, 347783070), (60, 266633687), (69, 231855380), (92, 173891535), (115, 139113228), (138, 115927690), (230, 69556614), (276, 57963845), (345, 46371076), (460, 34778307), (690, 23185538), (971, 16475820), (1380, 11592769), (1942, 8237910), (2913, 5491940), (3884, 4118955), (4855, 3295164), (5826, 2745970), (9710, 1647582), (11652, 1372985), (11939, 1339980), (14565, 1098388), (19420, 823791), (22333, 716340), (23878, 669990), (29130, 549194), (35817, 446660), (44666, 358170), (47756, 334995), (58260, 274597), (59695, 267996), (66999, 238780), (71634, 223330), (89332, 179085), (111665, 143268), (119390, 133998)]