1200664720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:453

約数の個数: 160

約数和(自身を含む): 3079802880

約数和(自身を除く): 1879138160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 83, 95, 124, 152, 155, 166, 190, 248, 304, 307, 310, 332, 380, 415, 496, 589, 614, 620, 664, 760, 830, 1178, 1228, 1240, 1328, 1520, 1535, 1577, 1660, 2356, 2456, 2480, 2573, 2945, 3070, 3154, 3320, 4712, 4912, 5146, 5833, 5890, 6140, 6308, 6640, 7885, 9424, 9517, 10292, 11666, 11780, 12280, 12616, 12865, 15770, 19034, 20584, 23332, 23560, 24560, 25232, 25481, 25730, 29165, 31540, 38068, 41168, 46664, 47120, 47585, 48887, 50962, 51460, 58330, 63080, 76136, 93328, 95170, 97774, 101924, 102920, 116660, 126160, 127405, 152272, 180823, 190340, 195548, 203848, 205840, 233320, 244435, 254810, 361646, 380680, 391096, 407696, 466640, 484139, 488870, 509620, 723292, 761360, 782192, 789911, 904115, 968278, 977740, 1019240, 1446584, 1579822, 1808230, 1936556, 1955480, 2038480, 2420695, 2893168, 3159644, 3616460, 3873112, 3910960, 3949555, 4841390, 6319288, 7232920, 7746224, 7899110, 9682780, 12638576, 14465840, 15008309, 15798220, 19365560, 30016618, 31596440, 38731120, 60033236, 63192880, 75041545, 120066472, 150083090, 240132944, 300166180, 600332360, 1200664720]

約数ペア:

[(1, 1200664720), (2, 600332360), (4, 300166180), (5, 240132944), (8, 150083090), (10, 120066472), (16, 75041545), (19, 63192880), (20, 60033236), (31, 38731120), (38, 31596440), (40, 30016618), (62, 19365560), (76, 15798220), (80, 15008309), (83, 14465840), (95, 12638576), (124, 9682780), (152, 7899110), (155, 7746224), (166, 7232920), (190, 6319288), (248, 4841390), (304, 3949555), (307, 3910960), (310, 3873112), (332, 3616460), (380, 3159644), (415, 2893168), (496, 2420695), (589, 2038480), (614, 1955480), (620, 1936556), (664, 1808230), (760, 1579822), (830, 1446584), (1178, 1019240), (1228, 977740), (1240, 968278), (1328, 904115), (1520, 789911), (1535, 782192), (1577, 761360), (1660, 723292), (2356, 509620), (2456, 488870), (2480, 484139), (2573, 466640), (2945, 407696), (3070, 391096), (3154, 380680), (3320, 361646), (4712, 254810), (4912, 244435), (5146, 233320), (5833, 205840), (5890, 203848), (6140, 195548), (6308, 190340), (6640, 180823), (7885, 152272), (9424, 127405), (9517, 126160), (10292, 116660), (11666, 102920), (11780, 101924), (12280, 97774), (12616, 95170), (12865, 93328), (15770, 76136), (19034, 63080), (20584, 58330), (23332, 51460), (23560, 50962), (24560, 48887), (25232, 47585), (25481, 47120), (25730, 46664), (29165, 41168), (31540, 38068)]