89401520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 239984640

約数和(自身を除く): 150583120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 47, 52, 59, 62, 65, 80, 94, 104, 118, 124, 130, 155, 188, 208, 235, 236, 248, 260, 295, 310, 376, 403, 470, 472, 496, 520, 590, 611, 620, 752, 767, 806, 940, 944, 1040, 1180, 1222, 1240, 1457, 1534, 1612, 1829, 1880, 2015, 2360, 2444, 2480, 2773, 2914, 3055, 3068, 3224, 3658, 3760, 3835, 4030, 4720, 4888, 5546, 5828, 6110, 6136, 6448, 7285, 7316, 7670, 8060, 9145, 9776, 11092, 11656, 12220, 12272, 13865, 14570, 14632, 15340, 16120, 18290, 18941, 22184, 23312, 23777, 24440, 27730, 29140, 29264, 30680, 32240, 36049, 36580, 37882, 44368, 47554, 48880, 55460, 58280, 61360, 72098, 73160, 75764, 85963, 94705, 95108, 110920, 116560, 118885, 144196, 146320, 151528, 171926, 180245, 189410, 190216, 221840, 237770, 288392, 303056, 343852, 360490, 378820, 380432, 429815, 475540, 576784, 687704, 720980, 757640, 859630, 951080, 1117519, 1375408, 1441960, 1515280, 1719260, 1902160, 2235038, 2883920, 3438520, 4470076, 5587595, 6877040, 8940152, 11175190, 17880304, 22350380, 44700760, 89401520]

約数ペア:

[(1, 89401520), (2, 44700760), (4, 22350380), (5, 17880304), (8, 11175190), (10, 8940152), (13, 6877040), (16, 5587595), (20, 4470076), (26, 3438520), (31, 2883920), (40, 2235038), (47, 1902160), (52, 1719260), (59, 1515280), (62, 1441960), (65, 1375408), (80, 1117519), (94, 951080), (104, 859630), (118, 757640), (124, 720980), (130, 687704), (155, 576784), (188, 475540), (208, 429815), (235, 380432), (236, 378820), (248, 360490), (260, 343852), (295, 303056), (310, 288392), (376, 237770), (403, 221840), (470, 190216), (472, 189410), (496, 180245), (520, 171926), (590, 151528), (611, 146320), (620, 144196), (752, 118885), (767, 116560), (806, 110920), (940, 95108), (944, 94705), (1040, 85963), (1180, 75764), (1222, 73160), (1240, 72098), (1457, 61360), (1534, 58280), (1612, 55460), (1829, 48880), (1880, 47554), (2015, 44368), (2360, 37882), (2444, 36580), (2480, 36049), (2773, 32240), (2914, 30680), (3055, 29264), (3068, 29140), (3224, 27730), (3658, 24440), (3760, 23777), (3835, 23312), (4030, 22184), (4720, 18941), (4888, 18290), (5546, 16120), (5828, 15340), (6110, 14632), (6136, 14570), (6448, 13865), (7285, 12272), (7316, 12220), (7670, 11656), (8060, 11092), (9145, 9776)]