278387460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{439}}^1$

素因数の和:738

約数の個数: 144

約数和(自身を含む): 914833920

約数和(自身を除く): 636446460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 271, 390, 439, 468, 542, 585, 780, 813, 878, 1084, 1170, 1317, 1355, 1626, 1756, 2195, 2340, 2439, 2634, 2710, 3252, 3523, 3951, 4065, 4390, 4878, 5268, 5420, 5707, 6585, 7046, 7902, 8130, 8780, 9756, 10569, 11414, 12195, 13170, 14092, 15804, 16260, 17121, 17615, 19755, 21138, 22828, 24390, 26340, 28535, 31707, 34242, 35230, 39510, 42276, 48780, 51363, 52845, 57070, 63414, 68484, 70460, 79020, 85605, 102726, 105690, 114140, 118969, 126828, 158535, 171210, 205452, 211380, 237938, 256815, 317070, 342420, 356907, 475876, 513630, 594845, 634140, 713814, 1027260, 1070721, 1189690, 1427628, 1546597, 1784535, 2141442, 2379380, 3093194, 3569070, 4282884, 4639791, 5353605, 6186388, 7138140, 7732985, 9279582, 10707210, 13919373, 15465970, 18559164, 21414420, 23198955, 27838746, 30931940, 46397910, 55677492, 69596865, 92795820, 139193730, 278387460]

約数ペア:

[(1, 278387460), (2, 139193730), (3, 92795820), (4, 69596865), (5, 55677492), (6, 46397910), (9, 30931940), (10, 27838746), (12, 23198955), (13, 21414420), (15, 18559164), (18, 15465970), (20, 13919373), (26, 10707210), (30, 9279582), (36, 7732985), (39, 7138140), (45, 6186388), (52, 5353605), (60, 4639791), (65, 4282884), (78, 3569070), (90, 3093194), (117, 2379380), (130, 2141442), (156, 1784535), (180, 1546597), (195, 1427628), (234, 1189690), (260, 1070721), (271, 1027260), (390, 713814), (439, 634140), (468, 594845), (542, 513630), (585, 475876), (780, 356907), (813, 342420), (878, 317070), (1084, 256815), (1170, 237938), (1317, 211380), (1355, 205452), (1626, 171210), (1756, 158535), (2195, 126828), (2340, 118969), (2439, 114140), (2634, 105690), (2710, 102726), (3252, 85605), (3523, 79020), (3951, 70460), (4065, 68484), (4390, 63414), (4878, 57070), (5268, 52845), (5420, 51363), (5707, 48780), (6585, 42276), (7046, 39510), (7902, 35230), (8130, 34242), (8780, 31707), (9756, 28535), (10569, 26340), (11414, 24390), (12195, 22828), (13170, 21138), (14092, 19755), (15804, 17615), (16260, 17121)]