154482920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 387072000

約数和(自身を除く): 232589080

約数列:

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

約数ペア:

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