31102680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 108564480

約数和(自身を除く): 77461800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 607, 610, 732, 840, 854, 915, 1214, 1220, 1281, 1464, 1708, 1821, 1830, 2135, 2428, 2440, 2562, 3035, 3416, 3642, 3660, 4249, 4270, 4856, 5124, 6070, 6405, 7284, 7320, 8498, 8540, 9105, 10248, 12140, 12747, 12810, 14568, 16996, 17080, 18210, 21245, 24280, 25494, 25620, 33992, 36420, 37027, 42490, 50988, 51240, 63735, 72840, 74054, 84980, 101976, 111081, 127470, 148108, 169960, 185135, 222162, 254940, 259189, 296216, 370270, 444324, 509880, 518378, 555405, 740540, 777567, 888648, 1036756, 1110810, 1295945, 1481080, 1555134, 2073512, 2221620, 2591890, 3110268, 3887835, 4443240, 5183780, 6220536, 7775670, 10367560, 15551340, 31102680]

約数ペア:

[(1, 31102680), (2, 15551340), (3, 10367560), (4, 7775670), (5, 6220536), (6, 5183780), (7, 4443240), (8, 3887835), (10, 3110268), (12, 2591890), (14, 2221620), (15, 2073512), (20, 1555134), (21, 1481080), (24, 1295945), (28, 1110810), (30, 1036756), (35, 888648), (40, 777567), (42, 740540), (56, 555405), (60, 518378), (61, 509880), (70, 444324), (84, 370270), (105, 296216), (120, 259189), (122, 254940), (140, 222162), (168, 185135), (183, 169960), (210, 148108), (244, 127470), (280, 111081), (305, 101976), (366, 84980), (420, 74054), (427, 72840), (488, 63735), (607, 51240), (610, 50988), (732, 42490), (840, 37027), (854, 36420), (915, 33992), (1214, 25620), (1220, 25494), (1281, 24280), (1464, 21245), (1708, 18210), (1821, 17080), (1830, 16996), (2135, 14568), (2428, 12810), (2440, 12747), (2562, 12140), (3035, 10248), (3416, 9105), (3642, 8540), (3660, 8498), (4249, 7320), (4270, 7284), (4856, 6405), (5124, 6070)]