30138780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1075

約数の個数: 96

約数和(自身を含む): 97864704

約数和(自身を除く): 67725924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 983, 1022, 1095, 1460, 1533, 1966, 2044, 2190, 2555, 2949, 3066, 3932, 4380, 4915, 5110, 5898, 6132, 6881, 7665, 9830, 10220, 11796, 13762, 14745, 15330, 19660, 20643, 27524, 29490, 30660, 34405, 41286, 58980, 68810, 71759, 82572, 103215, 137620, 143518, 206430, 215277, 287036, 358795, 412860, 430554, 502313, 717590, 861108, 1004626, 1076385, 1435180, 1506939, 2009252, 2152770, 2511565, 3013878, 4305540, 5023130, 6027756, 7534695, 10046260, 15069390, 30138780]

約数ペア:

[(1, 30138780), (2, 15069390), (3, 10046260), (4, 7534695), (5, 6027756), (6, 5023130), (7, 4305540), (10, 3013878), (12, 2511565), (14, 2152770), (15, 2009252), (20, 1506939), (21, 1435180), (28, 1076385), (30, 1004626), (35, 861108), (42, 717590), (60, 502313), (70, 430554), (73, 412860), (84, 358795), (105, 287036), (140, 215277), (146, 206430), (210, 143518), (219, 137620), (292, 103215), (365, 82572), (420, 71759), (438, 68810), (511, 58980), (730, 41286), (876, 34405), (983, 30660), (1022, 29490), (1095, 27524), (1460, 20643), (1533, 19660), (1966, 15330), (2044, 14745), (2190, 13762), (2555, 11796), (2949, 10220), (3066, 9830), (3932, 7665), (4380, 6881), (4915, 6132), (5110, 5898)]