28737540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12281}}^1$

素因数の和:12309

約数の個数: 72

約数和(自身を含む): 93883608

約数和(自身を除く): 65146068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12281, 24562, 36843, 49124, 61405, 73686, 110529, 122810, 147372, 159653, 184215, 221058, 245620, 319306, 368430, 442116, 478959, 552645, 638612, 736860, 798265, 957918, 1105290, 1436877, 1596530, 1915836, 2210580, 2394795, 2873754, 3193060, 4789590, 5747508, 7184385, 9579180, 14368770, 28737540]

約数ペア:

[(1, 28737540), (2, 14368770), (3, 9579180), (4, 7184385), (5, 5747508), (6, 4789590), (9, 3193060), (10, 2873754), (12, 2394795), (13, 2210580), (15, 1915836), (18, 1596530), (20, 1436877), (26, 1105290), (30, 957918), (36, 798265), (39, 736860), (45, 638612), (52, 552645), (60, 478959), (65, 442116), (78, 368430), (90, 319306), (117, 245620), (130, 221058), (156, 184215), (180, 159653), (195, 147372), (234, 122810), (260, 110529), (390, 73686), (468, 61405), (585, 49124), (780, 36843), (1170, 24562), (2340, 12281)]