781661520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57139}}^1$

素因数の和:57177

約数の個数: 120

約数和(自身を含む): 2763290400

約数和(自身を除く): 1981628880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 57139, 114278, 171417, 228556, 285695, 342834, 457112, 514251, 571390, 685668, 857085, 914224, 1028502, 1085641, 1142780, 1371336, 1714170, 2057004, 2171282, 2285560, 2571255, 2742672, 3256923, 3428340, 4114008, 4342564, 4571120, 5142510, 5428205, 6513846, 6856680, 8228016, 8685128, 9770769, 10285020, 10856410, 13027692, 13713360, 16284615, 17370256, 19541538, 20570040, 21712820, 26055384, 32569230, 39083076, 41140080, 43425640, 48853845, 52110768, 65138460, 78166152, 86851280, 97707690, 130276920, 156332304, 195415380, 260553840, 390830760, 781661520]

約数ペア:

[(1, 781661520), (2, 390830760), (3, 260553840), (4, 195415380), (5, 156332304), (6, 130276920), (8, 97707690), (9, 86851280), (10, 78166152), (12, 65138460), (15, 52110768), (16, 48853845), (18, 43425640), (19, 41140080), (20, 39083076), (24, 32569230), (30, 26055384), (36, 21712820), (38, 20570040), (40, 19541538), (45, 17370256), (48, 16284615), (57, 13713360), (60, 13027692), (72, 10856410), (76, 10285020), (80, 9770769), (90, 8685128), (95, 8228016), (114, 6856680), (120, 6513846), (144, 5428205), (152, 5142510), (171, 4571120), (180, 4342564), (190, 4114008), (228, 3428340), (240, 3256923), (285, 2742672), (304, 2571255), (342, 2285560), (360, 2171282), (380, 2057004), (456, 1714170), (570, 1371336), (684, 1142780), (720, 1085641), (760, 1028502), (855, 914224), (912, 857085), (1140, 685668), (1368, 571390), (1520, 514251), (1710, 457112), (2280, 342834), (2736, 285695), (3420, 228556), (4560, 171417), (6840, 114278), (13680, 57139)]