163644780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209801}}^1$

素因数の和:209826

約数の個数: 48

約数和(自身を含む): 493454304

約数和(自身を除く): 329809524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 209801, 419602, 629403, 839204, 1049005, 1258806, 2098010, 2517612, 2727413, 3147015, 4196020, 5454826, 6294030, 8182239, 10909652, 12588060, 13637065, 16364478, 27274130, 32728956, 40911195, 54548260, 81822390, 163644780]

約数ペア:

[(1, 163644780), (2, 81822390), (3, 54548260), (4, 40911195), (5, 32728956), (6, 27274130), (10, 16364478), (12, 13637065), (13, 12588060), (15, 10909652), (20, 8182239), (26, 6294030), (30, 5454826), (39, 4196020), (52, 3147015), (60, 2727413), (65, 2517612), (78, 2098010), (130, 1258806), (156, 1049005), (195, 839204), (260, 629403), (390, 419602), (780, 209801)]