221659920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9931}}^1$

素因数の和:9981

約数の個数: 120

約数和(自身を含む): 768498432

約数和(自身を除く): 546838512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 9931, 11160, 19862, 22320, 29793, 39724, 49655, 59586, 79448, 89379, 99310, 119172, 148965, 158896, 178758, 198620, 238344, 297930, 307861, 357516, 397240, 446895, 476688, 595860, 615722, 715032, 794480, 893790, 923583, 1191720, 1231444, 1430064, 1539305, 1787580, 1847166, 2383440, 2462888, 2770749, 3078610, 3575160, 3694332, 4617915, 4925776, 5541498, 6157220, 7150320, 7388664, 9235830, 11082996, 12314440, 13853745, 14777328, 18471660, 22165992, 24628880, 27707490, 36943320, 44331984, 55414980, 73886640, 110829960, 221659920]

約数ペア:

[(1, 221659920), (2, 110829960), (3, 73886640), (4, 55414980), (5, 44331984), (6, 36943320), (8, 27707490), (9, 24628880), (10, 22165992), (12, 18471660), (15, 14777328), (16, 13853745), (18, 12314440), (20, 11082996), (24, 9235830), (30, 7388664), (31, 7150320), (36, 6157220), (40, 5541498), (45, 4925776), (48, 4617915), (60, 3694332), (62, 3575160), (72, 3078610), (80, 2770749), (90, 2462888), (93, 2383440), (120, 1847166), (124, 1787580), (144, 1539305), (155, 1430064), (180, 1231444), (186, 1191720), (240, 923583), (248, 893790), (279, 794480), (310, 715032), (360, 615722), (372, 595860), (465, 476688), (496, 446895), (558, 397240), (620, 357516), (720, 307861), (744, 297930), (930, 238344), (1116, 198620), (1240, 178758), (1395, 158896), (1488, 148965), (1860, 119172), (2232, 99310), (2480, 89379), (2790, 79448), (3720, 59586), (4464, 49655), (5580, 39724), (7440, 29793), (9931, 22320), (11160, 19862)]