29680020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 96864768

約数和(自身を除く): 67184748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 197, 243, 270, 279, 310, 324, 372, 394, 405, 465, 486, 540, 558, 591, 620, 788, 810, 837, 930, 972, 985, 1116, 1182, 1215, 1395, 1620, 1674, 1773, 1860, 1970, 2364, 2430, 2511, 2790, 2955, 3348, 3546, 3940, 4185, 4860, 5022, 5319, 5580, 5910, 6107, 7092, 7533, 8370, 8865, 10044, 10638, 11820, 12214, 12555, 15066, 15957, 16740, 17730, 18321, 21276, 24428, 25110, 26595, 30132, 30535, 31914, 35460, 36642, 37665, 47871, 50220, 53190, 54963, 61070, 63828, 73284, 75330, 79785, 91605, 95742, 106380, 109926, 122140, 150660, 159570, 164889, 183210, 191484, 219852, 239355, 274815, 319140, 329778, 366420, 478710, 494667, 549630, 659556, 824445, 957420, 989334, 1099260, 1484001, 1648890, 1978668, 2473335, 2968002, 3297780, 4946670, 5936004, 7420005, 9893340, 14840010, 29680020]

約数ペア:

[(1, 29680020), (2, 14840010), (3, 9893340), (4, 7420005), (5, 5936004), (6, 4946670), (9, 3297780), (10, 2968002), (12, 2473335), (15, 1978668), (18, 1648890), (20, 1484001), (27, 1099260), (30, 989334), (31, 957420), (36, 824445), (45, 659556), (54, 549630), (60, 494667), (62, 478710), (81, 366420), (90, 329778), (93, 319140), (108, 274815), (124, 239355), (135, 219852), (155, 191484), (162, 183210), (180, 164889), (186, 159570), (197, 150660), (243, 122140), (270, 109926), (279, 106380), (310, 95742), (324, 91605), (372, 79785), (394, 75330), (405, 73284), (465, 63828), (486, 61070), (540, 54963), (558, 53190), (591, 50220), (620, 47871), (788, 37665), (810, 36642), (837, 35460), (930, 31914), (972, 30535), (985, 30132), (1116, 26595), (1182, 25110), (1215, 24428), (1395, 21276), (1620, 18321), (1674, 17730), (1773, 16740), (1860, 15957), (1970, 15066), (2364, 12555), (2430, 12214), (2511, 11820), (2790, 10638), (2955, 10044), (3348, 8865), (3546, 8370), (3940, 7533), (4185, 7092), (4860, 6107), (5022, 5910), (5319, 5580)]