308965840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 799948800

約数和(自身を除く): 490982960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 79, 80, 83, 95, 124, 152, 155, 158, 166, 190, 248, 304, 310, 316, 332, 380, 395, 415, 496, 589, 620, 632, 664, 760, 790, 830, 1178, 1240, 1264, 1328, 1501, 1520, 1577, 1580, 1660, 2356, 2449, 2480, 2573, 2945, 3002, 3154, 3160, 3320, 4712, 4898, 5146, 5890, 6004, 6308, 6320, 6557, 6640, 7505, 7885, 9424, 9796, 10292, 11780, 12008, 12245, 12616, 12865, 13114, 15010, 15770, 19592, 20584, 23560, 24016, 24490, 25232, 25730, 26228, 30020, 31540, 32785, 39184, 41168, 46531, 47120, 48887, 48980, 51460, 52456, 60040, 63080, 65570, 93062, 97774, 97960, 102920, 104912, 120080, 124583, 126160, 131140, 186124, 195548, 195920, 203267, 205840, 232655, 244435, 249166, 262280, 372248, 391096, 406534, 465310, 488870, 498332, 524560, 622915, 744496, 782192, 813068, 930620, 977740, 996664, 1016335, 1245830, 1626136, 1861240, 1955480, 1993328, 2032670, 2491660, 3252272, 3722480, 3862073, 3910960, 4065340, 4983320, 7724146, 8130680, 9966640, 15448292, 16261360, 19310365, 30896584, 38620730, 61793168, 77241460, 154482920, 308965840]

約数ペア:

[(1, 308965840), (2, 154482920), (4, 77241460), (5, 61793168), (8, 38620730), (10, 30896584), (16, 19310365), (19, 16261360), (20, 15448292), (31, 9966640), (38, 8130680), (40, 7724146), (62, 4983320), (76, 4065340), (79, 3910960), (80, 3862073), (83, 3722480), (95, 3252272), (124, 2491660), (152, 2032670), (155, 1993328), (158, 1955480), (166, 1861240), (190, 1626136), (248, 1245830), (304, 1016335), (310, 996664), (316, 977740), (332, 930620), (380, 813068), (395, 782192), (415, 744496), (496, 622915), (589, 524560), (620, 498332), (632, 488870), (664, 465310), (760, 406534), (790, 391096), (830, 372248), (1178, 262280), (1240, 249166), (1264, 244435), (1328, 232655), (1501, 205840), (1520, 203267), (1577, 195920), (1580, 195548), (1660, 186124), (2356, 131140), (2449, 126160), (2480, 124583), (2573, 120080), (2945, 104912), (3002, 102920), (3154, 97960), (3160, 97774), (3320, 93062), (4712, 65570), (4898, 63080), (5146, 60040), (5890, 52456), (6004, 51460), (6308, 48980), (6320, 48887), (6557, 47120), (6640, 46531), (7505, 41168), (7885, 39184), (9424, 32785), (9796, 31540), (10292, 30020), (11780, 26228), (12008, 25730), (12245, 25232), (12616, 24490), (12865, 24016), (13114, 23560), (15010, 20584), (15770, 19592)]