31277776920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1031}}^1\times {\mathrm{19447}}^1$

素因数の和:20505

約数の個数: 128

約数和(自身を含む): 101154493440

約数和(自身を除く): 69876716520

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, 1031, 1560, 2062, 3093, 4124, 5155, 6186, 8248, 10310, 12372, 13403, 15465, 19447, 20620, 24744, 26806, 30930, 38894, 40209, 41240, 53612, 58341, 61860, 67015, 77788, 80418, 97235, 107224, 116682, 123720, 134030, 155576, 160836, 194470, 201045, 233364, 252811, 268060, 291705, 321672, 388940, 402090, 466728, 505622, 536120, 583410, 758433, 777880, 804180, 1011244, 1166820, 1264055, 1516866, 1608360, 2022488, 2333640, 2528110, 3033732, 3792165, 5056220, 6067464, 7584330, 10112440, 15168660, 20049857, 30337320, 40099714, 60149571, 80199428, 100249285, 120299142, 160398856, 200498570, 240598284, 260648141, 300747855, 400997140, 481196568, 521296282, 601495710, 781944423, 801994280, 1042592564, 1202991420, 1303240705, 1563888846, 2085185128, 2405982840, 2606481410, 3127777692, 3909722115, 5212962820, 6255555384, 7819444230, 10425925640, 15638888460, 31277776920]

約数ペア:

[(1, 31277776920), (2, 15638888460), (3, 10425925640), (4, 7819444230), (5, 6255555384), (6, 5212962820), (8, 3909722115), (10, 3127777692), (12, 2606481410), (13, 2405982840), (15, 2085185128), (20, 1563888846), (24, 1303240705), (26, 1202991420), (30, 1042592564), (39, 801994280), (40, 781944423), (52, 601495710), (60, 521296282), (65, 481196568), (78, 400997140), (104, 300747855), (120, 260648141), (130, 240598284), (156, 200498570), (195, 160398856), (260, 120299142), (312, 100249285), (390, 80199428), (520, 60149571), (780, 40099714), (1031, 30337320), (1560, 20049857), (2062, 15168660), (3093, 10112440), (4124, 7584330), (5155, 6067464), (6186, 5056220), (8248, 3792165), (10310, 3033732), (12372, 2528110), (13403, 2333640), (15465, 2022488), (19447, 1608360), (20620, 1516866), (24744, 1264055), (26806, 1166820), (30930, 1011244), (38894, 804180), (40209, 777880), (41240, 758433), (53612, 583410), (58341, 536120), (61860, 505622), (67015, 466728), (77788, 402090), (80418, 388940), (97235, 321672), (107224, 291705), (116682, 268060), (123720, 252811), (134030, 233364), (155576, 201045), (160836, 194470)]