28789020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1401

約数の個数: 120

約数和(自身を含む): 97330464

約数和(自身を除く): 68541444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1367, 1404, 1620, 1755, 2106, 2340, 2734, 3510, 4101, 4212, 5265, 5468, 6835, 7020, 8202, 10530, 12303, 13670, 16404, 17771, 20505, 21060, 24606, 27340, 35542, 36909, 41010, 49212, 53313, 61515, 71084, 73818, 82020, 88855, 106626, 110727, 123030, 147636, 159939, 177710, 184545, 213252, 221454, 246060, 266565, 319878, 355420, 369090, 442908, 479817, 533130, 553635, 639756, 738180, 799695, 959634, 1066260, 1107270, 1439451, 1599390, 1919268, 2214540, 2399085, 2878902, 3198780, 4798170, 5757804, 7197255, 9596340, 14394510, 28789020]

約数ペア:

[(1, 28789020), (2, 14394510), (3, 9596340), (4, 7197255), (5, 5757804), (6, 4798170), (9, 3198780), (10, 2878902), (12, 2399085), (13, 2214540), (15, 1919268), (18, 1599390), (20, 1439451), (26, 1107270), (27, 1066260), (30, 959634), (36, 799695), (39, 738180), (45, 639756), (52, 553635), (54, 533130), (60, 479817), (65, 442908), (78, 369090), (81, 355420), (90, 319878), (108, 266565), (117, 246060), (130, 221454), (135, 213252), (156, 184545), (162, 177710), (180, 159939), (195, 147636), (234, 123030), (260, 110727), (270, 106626), (324, 88855), (351, 82020), (390, 73818), (405, 71084), (468, 61515), (540, 53313), (585, 49212), (702, 41010), (780, 36909), (810, 35542), (1053, 27340), (1170, 24606), (1367, 21060), (1404, 20505), (1620, 17771), (1755, 16404), (2106, 13670), (2340, 12303), (2734, 10530), (3510, 8202), (4101, 7020), (4212, 6835), (5265, 5468)]