55988240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 166060800

約数和(自身を除く): 110072560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 80, 88, 110, 112, 122, 140, 149, 154, 176, 220, 244, 280, 298, 305, 308, 385, 427, 440, 488, 560, 596, 610, 616, 671, 745, 770, 854, 880, 976, 1043, 1192, 1220, 1232, 1342, 1490, 1540, 1639, 1708, 2086, 2135, 2384, 2440, 2684, 2980, 3080, 3278, 3355, 3416, 4172, 4270, 4697, 4880, 5215, 5368, 5960, 6160, 6556, 6710, 6832, 8195, 8344, 8540, 9089, 9394, 10430, 10736, 11473, 11920, 13112, 13420, 16390, 16688, 17080, 18178, 18788, 20860, 22946, 23485, 26224, 26840, 32780, 34160, 36356, 37576, 41720, 45445, 45892, 46970, 53680, 57365, 63623, 65560, 72712, 75152, 83440, 90890, 91784, 93940, 99979, 114730, 127246, 131120, 145424, 181780, 183568, 187880, 199958, 229460, 254492, 318115, 363560, 375760, 399916, 458920, 499895, 508984, 636230, 699853, 727120, 799832, 917840, 999790, 1017968, 1272460, 1399706, 1599664, 1999580, 2544920, 2799412, 3499265, 3999160, 5089840, 5598824, 6998530, 7998320, 11197648, 13997060, 27994120, 55988240]

約数ペア:

[(1, 55988240), (2, 27994120), (4, 13997060), (5, 11197648), (7, 7998320), (8, 6998530), (10, 5598824), (11, 5089840), (14, 3999160), (16, 3499265), (20, 2799412), (22, 2544920), (28, 1999580), (35, 1599664), (40, 1399706), (44, 1272460), (55, 1017968), (56, 999790), (61, 917840), (70, 799832), (77, 727120), (80, 699853), (88, 636230), (110, 508984), (112, 499895), (122, 458920), (140, 399916), (149, 375760), (154, 363560), (176, 318115), (220, 254492), (244, 229460), (280, 199958), (298, 187880), (305, 183568), (308, 181780), (385, 145424), (427, 131120), (440, 127246), (488, 114730), (560, 99979), (596, 93940), (610, 91784), (616, 90890), (671, 83440), (745, 75152), (770, 72712), (854, 65560), (880, 63623), (976, 57365), (1043, 53680), (1192, 46970), (1220, 45892), (1232, 45445), (1342, 41720), (1490, 37576), (1540, 36356), (1639, 34160), (1708, 32780), (2086, 26840), (2135, 26224), (2384, 23485), (2440, 22946), (2684, 20860), (2980, 18788), (3080, 18178), (3278, 17080), (3355, 16688), (3416, 16390), (4172, 13420), (4270, 13112), (4697, 11920), (4880, 11473), (5215, 10736), (5368, 10430), (5960, 9394), (6160, 9089), (6556, 8540), (6710, 8344), (6832, 8195)]