30467220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 101965248

約数和(自身を除く): 71498028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 241, 245, 258, 294, 301, 420, 430, 482, 490, 516, 588, 602, 645, 723, 735, 860, 903, 964, 980, 1204, 1205, 1290, 1446, 1470, 1505, 1687, 1806, 2107, 2410, 2580, 2892, 2940, 3010, 3374, 3612, 3615, 4214, 4515, 4820, 5061, 6020, 6321, 6748, 7230, 8428, 8435, 9030, 10122, 10363, 10535, 11809, 12642, 14460, 16870, 18060, 20244, 20726, 21070, 23618, 25284, 25305, 31089, 31605, 33740, 35427, 41452, 42140, 47236, 50610, 51815, 59045, 62178, 63210, 70854, 72541, 101220, 103630, 118090, 124356, 126420, 141708, 145082, 155445, 177135, 207260, 217623, 236180, 290164, 310890, 354270, 362705, 435246, 507787, 621780, 708540, 725410, 870492, 1015574, 1088115, 1450820, 1523361, 2031148, 2176230, 2538935, 3046722, 4352460, 5077870, 6093444, 7616805, 10155740, 15233610, 30467220]

約数ペア:

[(1, 30467220), (2, 15233610), (3, 10155740), (4, 7616805), (5, 6093444), (6, 5077870), (7, 4352460), (10, 3046722), (12, 2538935), (14, 2176230), (15, 2031148), (20, 1523361), (21, 1450820), (28, 1088115), (30, 1015574), (35, 870492), (42, 725410), (43, 708540), (49, 621780), (60, 507787), (70, 435246), (84, 362705), (86, 354270), (98, 310890), (105, 290164), (129, 236180), (140, 217623), (147, 207260), (172, 177135), (196, 155445), (210, 145082), (215, 141708), (241, 126420), (245, 124356), (258, 118090), (294, 103630), (301, 101220), (420, 72541), (430, 70854), (482, 63210), (490, 62178), (516, 59045), (588, 51815), (602, 50610), (645, 47236), (723, 42140), (735, 41452), (860, 35427), (903, 33740), (964, 31605), (980, 31089), (1204, 25305), (1205, 25284), (1290, 23618), (1446, 21070), (1470, 20726), (1505, 20244), (1687, 18060), (1806, 16870), (2107, 14460), (2410, 12642), (2580, 11809), (2892, 10535), (2940, 10363), (3010, 10122), (3374, 9030), (3612, 8435), (3615, 8428), (4214, 7230), (4515, 6748), (4820, 6321), (5061, 6020)]