30937620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:662

約数の個数: 144

約数和(自身を含む): 106868160

約数和(自身を除く): 75930540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 619, 714, 735, 833, 980, 1020, 1190, 1238, 1428, 1470, 1666, 1785, 1857, 2380, 2476, 2499, 2940, 3095, 3332, 3570, 3714, 4165, 4333, 4998, 6190, 7140, 7428, 8330, 8666, 9285, 9996, 10523, 12380, 12495, 12999, 16660, 17332, 18570, 21046, 21665, 24990, 25998, 30331, 31569, 37140, 42092, 43330, 49980, 51996, 52615, 60662, 63138, 64995, 73661, 86660, 90993, 105230, 121324, 126276, 129990, 147322, 151655, 157845, 181986, 210460, 220983, 259980, 294644, 303310, 315690, 363972, 368305, 441966, 454965, 515627, 606620, 631380, 736610, 883932, 909930, 1031254, 1104915, 1473220, 1546881, 1819860, 2062508, 2209830, 2578135, 3093762, 4419660, 5156270, 6187524, 7734405, 10312540, 15468810, 30937620]

約数ペア:

[(1, 30937620), (2, 15468810), (3, 10312540), (4, 7734405), (5, 6187524), (6, 5156270), (7, 4419660), (10, 3093762), (12, 2578135), (14, 2209830), (15, 2062508), (17, 1819860), (20, 1546881), (21, 1473220), (28, 1104915), (30, 1031254), (34, 909930), (35, 883932), (42, 736610), (49, 631380), (51, 606620), (60, 515627), (68, 454965), (70, 441966), (84, 368305), (85, 363972), (98, 315690), (102, 303310), (105, 294644), (119, 259980), (140, 220983), (147, 210460), (170, 181986), (196, 157845), (204, 151655), (210, 147322), (238, 129990), (245, 126276), (255, 121324), (294, 105230), (340, 90993), (357, 86660), (420, 73661), (476, 64995), (490, 63138), (510, 60662), (588, 52615), (595, 51996), (619, 49980), (714, 43330), (735, 42092), (833, 37140), (980, 31569), (1020, 30331), (1190, 25998), (1238, 24990), (1428, 21665), (1470, 21046), (1666, 18570), (1785, 17332), (1857, 16660), (2380, 12999), (2476, 12495), (2499, 12380), (2940, 10523), (3095, 9996), (3332, 9285), (3570, 8666), (3714, 8330), (4165, 7428), (4333, 7140), (4998, 6190)]