81403379880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1\times {\mathrm{12569}}^1$

素因数の和:14355

約数の個数: 128

約数和(自身を含む): 252252748800

約数和(自身を除く): 170849368920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1741, 1860, 3482, 3720, 5223, 6964, 8705, 10446, 12569, 13928, 17410, 20892, 25138, 26115, 34820, 37707, 41784, 50276, 52230, 53971, 62845, 69640, 75414, 100552, 104460, 107942, 125690, 150828, 161913, 188535, 208920, 215884, 251380, 269855, 301656, 323826, 377070, 389639, 431768, 502760, 539710, 647652, 754140, 779278, 809565, 1079420, 1168917, 1295304, 1508280, 1558556, 1619130, 1948195, 2158840, 2337834, 3117112, 3238260, 3896390, 4675668, 5844585, 6476520, 7792780, 9351336, 11689170, 15585560, 21882629, 23378340, 43765258, 46756680, 65647887, 87530516, 109413145, 131295774, 175061032, 218826290, 262591548, 328239435, 437652580, 525183096, 656478870, 678361499, 875305160, 1312957740, 1356722998, 2035084497, 2625915480, 2713445996, 3391807495, 4070168994, 5426891992, 6783614990, 8140337988, 10175422485, 13567229980, 16280675976, 20350844970, 27134459960, 40701689940, 81403379880]

約数ペア:

[(1, 81403379880), (2, 40701689940), (3, 27134459960), (4, 20350844970), (5, 16280675976), (6, 13567229980), (8, 10175422485), (10, 8140337988), (12, 6783614990), (15, 5426891992), (20, 4070168994), (24, 3391807495), (30, 2713445996), (31, 2625915480), (40, 2035084497), (60, 1356722998), (62, 1312957740), (93, 875305160), (120, 678361499), (124, 656478870), (155, 525183096), (186, 437652580), (248, 328239435), (310, 262591548), (372, 218826290), (465, 175061032), (620, 131295774), (744, 109413145), (930, 87530516), (1240, 65647887), (1741, 46756680), (1860, 43765258), (3482, 23378340), (3720, 21882629), (5223, 15585560), (6964, 11689170), (8705, 9351336), (10446, 7792780), (12569, 6476520), (13928, 5844585), (17410, 4675668), (20892, 3896390), (25138, 3238260), (26115, 3117112), (34820, 2337834), (37707, 2158840), (41784, 1948195), (50276, 1619130), (52230, 1558556), (53971, 1508280), (62845, 1295304), (69640, 1168917), (75414, 1079420), (100552, 809565), (104460, 779278), (107942, 754140), (125690, 647652), (150828, 539710), (161913, 502760), (188535, 431768), (208920, 389639), (215884, 377070), (251380, 323826), (269855, 301656)]