16557840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 62964720

約数和(自身を除く): 46406880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 29, 30, 36, 39, 40, 45, 48, 52, 58, 60, 61, 65, 72, 78, 80, 87, 90, 104, 116, 117, 120, 122, 130, 144, 145, 156, 174, 180, 183, 195, 208, 232, 234, 240, 244, 260, 261, 290, 305, 312, 348, 360, 366, 377, 390, 435, 464, 468, 488, 520, 522, 549, 580, 585, 610, 624, 696, 720, 732, 754, 780, 793, 870, 915, 936, 976, 1040, 1044, 1098, 1131, 1160, 1170, 1220, 1305, 1392, 1464, 1508, 1560, 1586, 1740, 1769, 1830, 1872, 1885, 2088, 2196, 2262, 2320, 2340, 2379, 2440, 2610, 2745, 2928, 3016, 3120, 3172, 3393, 3480, 3538, 3660, 3770, 3965, 4176, 4392, 4524, 4680, 4758, 4880, 5220, 5307, 5490, 5655, 6032, 6344, 6786, 6960, 7076, 7137, 7320, 7540, 7930, 8784, 8845, 9048, 9360, 9516, 10440, 10614, 10980, 11310, 11895, 12688, 13572, 14152, 14274, 14640, 15080, 15860, 15921, 16965, 17690, 18096, 19032, 20880, 21228, 21960, 22620, 22997, 23790, 26535, 27144, 28304, 28548, 30160, 31720, 31842, 33930, 35380, 35685, 38064, 42456, 43920, 45240, 45994, 47580, 53070, 54288, 57096, 63440, 63684, 67860, 68991, 70760, 71370, 79605, 84912, 90480, 91988, 95160, 106140, 114192, 114985, 127368, 135720, 137982, 141520, 142740, 159210, 183976, 190320, 206973, 212280, 229970, 254736, 271440, 275964, 285480, 318420, 344955, 367952, 413946, 424560, 459940, 551928, 570960, 636840, 689910, 827892, 919880, 1034865, 1103856, 1273680, 1379820, 1655784, 1839760, 2069730, 2759640, 3311568, 4139460, 5519280, 8278920, 16557840]

約数ペア:

[(1, 16557840), (2, 8278920), (3, 5519280), (4, 4139460), (5, 3311568), (6, 2759640), (8, 2069730), (9, 1839760), (10, 1655784), (12, 1379820), (13, 1273680), (15, 1103856), (16, 1034865), (18, 919880), (20, 827892), (24, 689910), (26, 636840), (29, 570960), (30, 551928), (36, 459940), (39, 424560), (40, 413946), (45, 367952), (48, 344955), (52, 318420), (58, 285480), (60, 275964), (61, 271440), (65, 254736), (72, 229970), (78, 212280), (80, 206973), (87, 190320), (90, 183976), (104, 159210), (116, 142740), (117, 141520), (120, 137982), (122, 135720), (130, 127368), (144, 114985), (145, 114192), (156, 106140), (174, 95160), (180, 91988), (183, 90480), (195, 84912), (208, 79605), (232, 71370), (234, 70760), (240, 68991), (244, 67860), (260, 63684), (261, 63440), (290, 57096), (305, 54288), (312, 53070), (348, 47580), (360, 45994), (366, 45240), (377, 43920), (390, 42456), (435, 38064), (464, 35685), (468, 35380), (488, 33930), (520, 31842), (522, 31720), (549, 30160), (580, 28548), (585, 28304), (610, 27144), (624, 26535), (696, 23790), (720, 22997), (732, 22620), (754, 21960), (780, 21228), (793, 20880), (870, 19032), (915, 18096), (936, 17690), (976, 16965), (1040, 15921), (1044, 15860), (1098, 15080), (1131, 14640), (1160, 14274), (1170, 14152), (1220, 13572), (1305, 12688), (1392, 11895), (1464, 11310), (1508, 10980), (1560, 10614), (1586, 10440), (1740, 9516), (1769, 9360), (1830, 9048), (1872, 8845), (1885, 8784), (2088, 7930), (2196, 7540), (2262, 7320), (2320, 7137), (2340, 7076), (2379, 6960), (2440, 6786), (2610, 6344), (2745, 6032), (2928, 5655), (3016, 5490), (3120, 5307), (3172, 5220), (3393, 4880), (3480, 4758), (3538, 4680), (3660, 4524), (3770, 4392), (3965, 4176)]