28565160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18311}}^1$

素因数の和:18338

約数の個数: 64

約数和(自身を含む): 92292480

約数和(自身を除く): 63727320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18311, 36622, 54933, 73244, 91555, 109866, 146488, 183110, 219732, 238043, 274665, 366220, 439464, 476086, 549330, 714129, 732440, 952172, 1098660, 1190215, 1428258, 1904344, 2197320, 2380430, 2856516, 3570645, 4760860, 5713032, 7141290, 9521720, 14282580, 28565160]

約数ペア:

[(1, 28565160), (2, 14282580), (3, 9521720), (4, 7141290), (5, 5713032), (6, 4760860), (8, 3570645), (10, 2856516), (12, 2380430), (13, 2197320), (15, 1904344), (20, 1428258), (24, 1190215), (26, 1098660), (30, 952172), (39, 732440), (40, 714129), (52, 549330), (60, 476086), (65, 439464), (78, 366220), (104, 274665), (120, 238043), (130, 219732), (156, 183110), (195, 146488), (260, 109866), (312, 91555), (390, 73244), (520, 54933), (780, 36622), (1560, 18311)]