681896520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1764

約数の個数: 192

約数和(自身を含む): 2382981120

約数和(自身を除く): 1701084600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 67, 68, 72, 85, 90, 102, 120, 134, 136, 153, 170, 180, 201, 204, 255, 268, 306, 335, 340, 360, 402, 408, 510, 536, 603, 612, 670, 680, 765, 804, 1005, 1020, 1139, 1206, 1224, 1340, 1530, 1608, 1663, 2010, 2040, 2278, 2412, 2680, 3015, 3060, 3326, 3417, 4020, 4556, 4824, 4989, 5695, 6030, 6120, 6652, 6834, 8040, 8315, 9112, 9978, 10251, 11390, 12060, 13304, 13668, 14967, 16630, 17085, 19956, 20502, 22780, 24120, 24945, 27336, 28271, 29934, 33260, 34170, 39912, 41004, 45560, 49890, 51255, 56542, 59868, 66520, 68340, 74835, 82008, 84813, 99780, 102510, 111421, 113084, 119736, 136680, 141355, 149670, 169626, 199560, 205020, 222842, 226168, 254439, 282710, 299340, 334263, 339252, 410040, 424065, 445684, 508878, 557105, 565420, 598680, 668526, 678504, 848130, 891368, 1002789, 1017756, 1114210, 1130840, 1272195, 1337052, 1671315, 1696260, 1894157, 2005578, 2035512, 2228420, 2544390, 2674104, 3342630, 3392520, 3788314, 4011156, 4456840, 5013945, 5088780, 5682471, 6685260, 7576628, 8022312, 9470785, 10027890, 10177560, 11364942, 13370520, 15153256, 17047413, 18941570, 20055780, 22729884, 28412355, 34094826, 37883140, 40111560, 45459768, 56824710, 68189652, 75766280, 85237065, 113649420, 136379304, 170474130, 227298840, 340948260, 681896520]

約数ペア:

[(1, 681896520), (2, 340948260), (3, 227298840), (4, 170474130), (5, 136379304), (6, 113649420), (8, 85237065), (9, 75766280), (10, 68189652), (12, 56824710), (15, 45459768), (17, 40111560), (18, 37883140), (20, 34094826), (24, 28412355), (30, 22729884), (34, 20055780), (36, 18941570), (40, 17047413), (45, 15153256), (51, 13370520), (60, 11364942), (67, 10177560), (68, 10027890), (72, 9470785), (85, 8022312), (90, 7576628), (102, 6685260), (120, 5682471), (134, 5088780), (136, 5013945), (153, 4456840), (170, 4011156), (180, 3788314), (201, 3392520), (204, 3342630), (255, 2674104), (268, 2544390), (306, 2228420), (335, 2035512), (340, 2005578), (360, 1894157), (402, 1696260), (408, 1671315), (510, 1337052), (536, 1272195), (603, 1130840), (612, 1114210), (670, 1017756), (680, 1002789), (765, 891368), (804, 848130), (1005, 678504), (1020, 668526), (1139, 598680), (1206, 565420), (1224, 557105), (1340, 508878), (1530, 445684), (1608, 424065), (1663, 410040), (2010, 339252), (2040, 334263), (2278, 299340), (2412, 282710), (2680, 254439), (3015, 226168), (3060, 222842), (3326, 205020), (3417, 199560), (4020, 169626), (4556, 149670), (4824, 141355), (4989, 136680), (5695, 119736), (6030, 113084), (6120, 111421), (6652, 102510), (6834, 99780), (8040, 84813), (8315, 82008), (9112, 74835), (9978, 68340), (10251, 66520), (11390, 59868), (12060, 56542), (13304, 51255), (13668, 49890), (14967, 45560), (16630, 41004), (17085, 39912), (19956, 34170), (20502, 33260), (22780, 29934), (24120, 28271), (24945, 27336)]