15678515980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{146173}}^1$

素因数の和:146386

約数の個数: 48

約数和(自身を含む): 34183666944

約数和(自身を除く): 18505150964

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 692, 865, 1730, 3460, 5363, 10726, 21452, 26815, 53630, 107260, 146173, 292346, 584692, 730865, 1461730, 2923460, 4531363, 9062726, 18125452, 22656815, 25287929, 45313630, 50575858, 90627260, 101151716, 126439645, 252879290, 505758580, 783925799, 1567851598, 3135703196, 3919628995, 7839257990, 15678515980]

約数ペア:

[(1, 15678515980), (2, 7839257990), (4, 3919628995), (5, 3135703196), (10, 1567851598), (20, 783925799), (31, 505758580), (62, 252879290), (124, 126439645), (155, 101151716), (173, 90627260), (310, 50575858), (346, 45313630), (620, 25287929), (692, 22656815), (865, 18125452), (1730, 9062726), (3460, 4531363), (5363, 2923460), (10726, 1461730), (21452, 730865), (26815, 584692), (53630, 292346), (107260, 146173)]