30445380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 107313024

約数和(自身を除く): 76867644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 331, 365, 420, 438, 511, 630, 657, 662, 730, 876, 993, 1022, 1095, 1260, 1314, 1324, 1460, 1533, 1655, 1986, 2044, 2190, 2317, 2555, 2628, 2979, 3066, 3285, 3310, 3972, 4380, 4599, 4634, 4965, 5110, 5958, 6132, 6570, 6620, 6951, 7665, 9198, 9268, 9930, 10220, 11585, 11916, 13140, 13902, 14895, 15330, 18396, 19860, 20853, 22995, 23170, 24163, 27804, 29790, 30660, 34755, 41706, 45990, 46340, 48326, 59580, 69510, 72489, 83412, 91980, 96652, 104265, 120815, 139020, 144978, 169141, 208530, 217467, 241630, 289956, 338282, 362445, 417060, 434934, 483260, 507423, 676564, 724890, 845705, 869868, 1014846, 1087335, 1449780, 1522269, 1691410, 2029692, 2174670, 2537115, 3044538, 3382820, 4349340, 5074230, 6089076, 7611345, 10148460, 15222690, 30445380]

約数ペア:

[(1, 30445380), (2, 15222690), (3, 10148460), (4, 7611345), (5, 6089076), (6, 5074230), (7, 4349340), (9, 3382820), (10, 3044538), (12, 2537115), (14, 2174670), (15, 2029692), (18, 1691410), (20, 1522269), (21, 1449780), (28, 1087335), (30, 1014846), (35, 869868), (36, 845705), (42, 724890), (45, 676564), (60, 507423), (63, 483260), (70, 434934), (73, 417060), (84, 362445), (90, 338282), (105, 289956), (126, 241630), (140, 217467), (146, 208530), (180, 169141), (210, 144978), (219, 139020), (252, 120815), (292, 104265), (315, 96652), (331, 91980), (365, 83412), (420, 72489), (438, 69510), (511, 59580), (630, 48326), (657, 46340), (662, 45990), (730, 41706), (876, 34755), (993, 30660), (1022, 29790), (1095, 27804), (1260, 24163), (1314, 23170), (1324, 22995), (1460, 20853), (1533, 19860), (1655, 18396), (1986, 15330), (2044, 14895), (2190, 13902), (2317, 13140), (2555, 11916), (2628, 11585), (2979, 10220), (3066, 9930), (3285, 9268), (3310, 9198), (3972, 7665), (4380, 6951), (4599, 6620), (4634, 6570), (4965, 6132), (5110, 5958)]