30902340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 105259392

約数和(自身を除く): 74357052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 457, 460, 483, 490, 588, 644, 690, 735, 805, 914, 966, 980, 1127, 1371, 1380, 1470, 1610, 1828, 1932, 2254, 2285, 2415, 2742, 2940, 3199, 3220, 3381, 4508, 4570, 4830, 5484, 5635, 6398, 6762, 6855, 9140, 9597, 9660, 10511, 11270, 12796, 13524, 13710, 15995, 16905, 19194, 21022, 22393, 22540, 27420, 31533, 31990, 33810, 38388, 42044, 44786, 47985, 52555, 63066, 63980, 67179, 67620, 73577, 89572, 95970, 105110, 111965, 126132, 134358, 147154, 157665, 191940, 210220, 220731, 223930, 268716, 294308, 315330, 335895, 367885, 441462, 447860, 515039, 630660, 671790, 735770, 882924, 1030078, 1103655, 1343580, 1471540, 1545117, 2060156, 2207310, 2575195, 3090234, 4414620, 5150390, 6180468, 7725585, 10300780, 15451170, 30902340]

約数ペア:

[(1, 30902340), (2, 15451170), (3, 10300780), (4, 7725585), (5, 6180468), (6, 5150390), (7, 4414620), (10, 3090234), (12, 2575195), (14, 2207310), (15, 2060156), (20, 1545117), (21, 1471540), (23, 1343580), (28, 1103655), (30, 1030078), (35, 882924), (42, 735770), (46, 671790), (49, 630660), (60, 515039), (69, 447860), (70, 441462), (84, 367885), (92, 335895), (98, 315330), (105, 294308), (115, 268716), (138, 223930), (140, 220731), (147, 210220), (161, 191940), (196, 157665), (210, 147154), (230, 134358), (245, 126132), (276, 111965), (294, 105110), (322, 95970), (345, 89572), (420, 73577), (457, 67620), (460, 67179), (483, 63980), (490, 63066), (588, 52555), (644, 47985), (690, 44786), (735, 42044), (805, 38388), (914, 33810), (966, 31990), (980, 31533), (1127, 27420), (1371, 22540), (1380, 22393), (1470, 21022), (1610, 19194), (1828, 16905), (1932, 15995), (2254, 13710), (2285, 13524), (2415, 12796), (2742, 11270), (2940, 10511), (3199, 9660), (3220, 9597), (3381, 9140), (4508, 6855), (4570, 6762), (4830, 6398), (5484, 5635)]