249619440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4793}}^1$

素因数の和:4847

約数の個数: 160

約数和(自身を含む): 913084416

約数和(自身を除く): 663464976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 4793, 5208, 6510, 7440, 8680, 9586, 10416, 13020, 14379, 17360, 19172, 23965, 26040, 28758, 33551, 38344, 47930, 52080, 57516, 67102, 71895, 76688, 95860, 100653, 115032, 134204, 143790, 148583, 167755, 191720, 201306, 230064, 268408, 287580, 297166, 335510, 383440, 402612, 445749, 503265, 536816, 575160, 594332, 671020, 742915, 805224, 891498, 1006530, 1040081, 1150320, 1188664, 1342040, 1485830, 1610448, 1782996, 2013060, 2080162, 2228745, 2377328, 2684080, 2971660, 3120243, 3565992, 4026120, 4160324, 4457490, 5200405, 5943320, 6240486, 7131984, 8052240, 8320648, 8914980, 10400810, 11886640, 12480972, 15601215, 16641296, 17829960, 20801620, 24961944, 31202430, 35659920, 41603240, 49923888, 62404860, 83206480, 124809720, 249619440]

約数ペア:

[(1, 249619440), (2, 124809720), (3, 83206480), (4, 62404860), (5, 49923888), (6, 41603240), (7, 35659920), (8, 31202430), (10, 24961944), (12, 20801620), (14, 17829960), (15, 16641296), (16, 15601215), (20, 12480972), (21, 11886640), (24, 10400810), (28, 8914980), (30, 8320648), (31, 8052240), (35, 7131984), (40, 6240486), (42, 5943320), (48, 5200405), (56, 4457490), (60, 4160324), (62, 4026120), (70, 3565992), (80, 3120243), (84, 2971660), (93, 2684080), (105, 2377328), (112, 2228745), (120, 2080162), (124, 2013060), (140, 1782996), (155, 1610448), (168, 1485830), (186, 1342040), (210, 1188664), (217, 1150320), (240, 1040081), (248, 1006530), (280, 891498), (310, 805224), (336, 742915), (372, 671020), (420, 594332), (434, 575160), (465, 536816), (496, 503265), (560, 445749), (620, 402612), (651, 383440), (744, 335510), (840, 297166), (868, 287580), (930, 268408), (1085, 230064), (1240, 201306), (1302, 191720), (1488, 167755), (1680, 148583), (1736, 143790), (1860, 134204), (2170, 115032), (2480, 100653), (2604, 95860), (3255, 76688), (3472, 71895), (3720, 67102), (4340, 57516), (4793, 52080), (5208, 47930), (6510, 38344), (7440, 33551), (8680, 28758), (9586, 26040), (10416, 23965), (13020, 19172), (14379, 17360)]