30555420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 104952960

約数和(自身を除く): 74397540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 547, 570, 588, 665, 735, 798, 931, 980, 1094, 1140, 1330, 1470, 1596, 1641, 1862, 1995, 2188, 2660, 2735, 2793, 2940, 3282, 3724, 3829, 3990, 4655, 5470, 5586, 6564, 7658, 7980, 8205, 9310, 10393, 10940, 11172, 11487, 13965, 15316, 16410, 18620, 19145, 20786, 22974, 26803, 27930, 31179, 32820, 38290, 41572, 45948, 51965, 53606, 55860, 57435, 62358, 72751, 76580, 80409, 103930, 107212, 114870, 124716, 134015, 145502, 155895, 160818, 207860, 218253, 229740, 268030, 291004, 311790, 321636, 363755, 402045, 436506, 509257, 536060, 623580, 727510, 804090, 873012, 1018514, 1091265, 1455020, 1527771, 1608180, 2037028, 2182530, 2546285, 3055542, 4365060, 5092570, 6111084, 7638855, 10185140, 15277710, 30555420]

約数ペア:

[(1, 30555420), (2, 15277710), (3, 10185140), (4, 7638855), (5, 6111084), (6, 5092570), (7, 4365060), (10, 3055542), (12, 2546285), (14, 2182530), (15, 2037028), (19, 1608180), (20, 1527771), (21, 1455020), (28, 1091265), (30, 1018514), (35, 873012), (38, 804090), (42, 727510), (49, 623580), (57, 536060), (60, 509257), (70, 436506), (76, 402045), (84, 363755), (95, 321636), (98, 311790), (105, 291004), (114, 268030), (133, 229740), (140, 218253), (147, 207860), (190, 160818), (196, 155895), (210, 145502), (228, 134015), (245, 124716), (266, 114870), (285, 107212), (294, 103930), (380, 80409), (399, 76580), (420, 72751), (490, 62358), (532, 57435), (547, 55860), (570, 53606), (588, 51965), (665, 45948), (735, 41572), (798, 38290), (931, 32820), (980, 31179), (1094, 27930), (1140, 26803), (1330, 22974), (1470, 20786), (1596, 19145), (1641, 18620), (1862, 16410), (1995, 15316), (2188, 13965), (2660, 11487), (2735, 11172), (2793, 10940), (2940, 10393), (3282, 9310), (3724, 8205), (3829, 7980), (3990, 7658), (4655, 6564), (5470, 5586)]