381858360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244781}}^1$

素因数の和:244808

約数の個数: 64

約数和(自身を含む): 1233701280

約数和(自身を除く): 851842920

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, 244781, 489562, 734343, 979124, 1223905, 1468686, 1958248, 2447810, 2937372, 3182153, 3671715, 4895620, 5874744, 6364306, 7343430, 9546459, 9791240, 12728612, 14686860, 15910765, 19092918, 25457224, 29373720, 31821530, 38185836, 47732295, 63643060, 76371672, 95464590, 127286120, 190929180, 381858360]

約数ペア:

[(1, 381858360), (2, 190929180), (3, 127286120), (4, 95464590), (5, 76371672), (6, 63643060), (8, 47732295), (10, 38185836), (12, 31821530), (13, 29373720), (15, 25457224), (20, 19092918), (24, 15910765), (26, 14686860), (30, 12728612), (39, 9791240), (40, 9546459), (52, 7343430), (60, 6364306), (65, 5874744), (78, 4895620), (104, 3671715), (120, 3182153), (130, 2937372), (156, 2447810), (195, 1958248), (260, 1468686), (312, 1223905), (390, 979124), (520, 734343), (780, 489562), (1560, 244781)]