720471047940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2003}}^1\times {\mathrm{285473}}^1$

素因数の和:287498

約数の個数: 144

約数和(自身を含む): 2498888665728

約数和(自身を除く): 1778417617788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2003, 4006, 6009, 8012, 10015, 12018, 14021, 18027, 20030, 24036, 28042, 30045, 36054, 40060, 42063, 56084, 60090, 70105, 72108, 84126, 90135, 120180, 126189, 140210, 168252, 180270, 210315, 252378, 280420, 285473, 360540, 420630, 504756, 570946, 630945, 841260, 856419, 1141892, 1261890, 1427365, 1712838, 1998311, 2523780, 2569257, 2854730, 3425676, 3996622, 4282095, 5138514, 5709460, 5994933, 7993244, 8564190, 9991555, 10277028, 11989866, 12846285, 17128380, 17984799, 19983110, 23979732, 25692570, 29974665, 35969598, 39966220, 51385140, 59949330, 71939196, 89923995, 119898660, 179847990, 359695980, 571802419, 1143604838, 1715407257, 2287209676, 2859012095, 3430814514, 4002616933, 5146221771, 5718024190, 6861629028, 8005233866, 8577036285, 10292443542, 11436048380, 12007850799, 16010467732, 17154072570, 20013084665, 20584887084, 24015701598, 25731108855, 34308145140, 36023552397, 40026169330, 48031403196, 51462217710, 60039253995, 72047104794, 80052338660, 102924435420, 120078507990, 144094209588, 180117761985, 240157015980, 360235523970, 720471047940]

約数ペア:

[(1, 720471047940), (2, 360235523970), (3, 240157015980), (4, 180117761985), (5, 144094209588), (6, 120078507990), (7, 102924435420), (9, 80052338660), (10, 72047104794), (12, 60039253995), (14, 51462217710), (15, 48031403196), (18, 40026169330), (20, 36023552397), (21, 34308145140), (28, 25731108855), (30, 24015701598), (35, 20584887084), (36, 20013084665), (42, 17154072570), (45, 16010467732), (60, 12007850799), (63, 11436048380), (70, 10292443542), (84, 8577036285), (90, 8005233866), (105, 6861629028), (126, 5718024190), (140, 5146221771), (180, 4002616933), (210, 3430814514), (252, 2859012095), (315, 2287209676), (420, 1715407257), (630, 1143604838), (1260, 571802419), (2003, 359695980), (4006, 179847990), (6009, 119898660), (8012, 89923995), (10015, 71939196), (12018, 59949330), (14021, 51385140), (18027, 39966220), (20030, 35969598), (24036, 29974665), (28042, 25692570), (30045, 23979732), (36054, 19983110), (40060, 17984799), (42063, 17128380), (56084, 12846285), (60090, 11989866), (70105, 10277028), (72108, 9991555), (84126, 8564190), (90135, 7993244), (120180, 5994933), (126189, 5709460), (140210, 5138514), (168252, 4282095), (180270, 3996622), (210315, 3425676), (252378, 2854730), (280420, 2569257), (285473, 2523780), (360540, 1998311), (420630, 1712838), (504756, 1427365), (570946, 1261890), (630945, 1141892), (841260, 856419)]