31213177320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20008447}}^1$

素因数の和:20008474

約数の個数: 64

約数和(自身を含む): 100842577920

約数和(自身を除く): 69629400600

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, 20008447, 40016894, 60025341, 80033788, 100042235, 120050682, 160067576, 200084470, 240101364, 260109811, 300126705, 400168940, 480202728, 520219622, 600253410, 780329433, 800337880, 1040439244, 1200506820, 1300549055, 1560658866, 2080878488, 2401013640, 2601098110, 3121317732, 3901647165, 5202196220, 6242635464, 7803294330, 10404392440, 15606588660, 31213177320]

約数ペア:

[(1, 31213177320), (2, 15606588660), (3, 10404392440), (4, 7803294330), (5, 6242635464), (6, 5202196220), (8, 3901647165), (10, 3121317732), (12, 2601098110), (13, 2401013640), (15, 2080878488), (20, 1560658866), (24, 1300549055), (26, 1200506820), (30, 1040439244), (39, 800337880), (40, 780329433), (52, 600253410), (60, 520219622), (65, 480202728), (78, 400168940), (104, 300126705), (120, 260109811), (130, 240101364), (156, 200084470), (195, 160067576), (260, 120050682), (312, 100042235), (390, 80033788), (520, 60025341), (780, 40016894), (1560, 20008447)]