138981960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 256

約数和(自身を含む): 526176000

約数和(自身を除く): 387194040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 171, 180, 190, 195, 216, 228, 234, 247, 260, 270, 285, 312, 342, 351, 360, 380, 390, 456, 468, 494, 513, 520, 521, 540, 570, 585, 684, 702, 741, 760, 780, 855, 936, 988, 1026, 1042, 1080, 1140, 1170, 1235, 1368, 1404, 1482, 1560, 1563, 1710, 1755, 1976, 2052, 2084, 2223, 2280, 2340, 2470, 2565, 2605, 2808, 2964, 3126, 3420, 3510, 3705, 4104, 4168, 4446, 4680, 4689, 4940, 5130, 5210, 5928, 6252, 6669, 6773, 6840, 7020, 7410, 7815, 8892, 9378, 9880, 9899, 10260, 10420, 11115, 12504, 13338, 13546, 14040, 14067, 14820, 15630, 17784, 18756, 19798, 20319, 20520, 20840, 22230, 23445, 26676, 27092, 28134, 29640, 29697, 31260, 33345, 33865, 37512, 39596, 40638, 44460, 46890, 49495, 53352, 54184, 56268, 59394, 60957, 62520, 66690, 67730, 70335, 79192, 81276, 88920, 89091, 93780, 98990, 101595, 112536, 118788, 121914, 128687, 133380, 135460, 140670, 148485, 162552, 178182, 182871, 187560, 197980, 203190, 237576, 243828, 257374, 266760, 267273, 270920, 281340, 296970, 304785, 356364, 365742, 386061, 395960, 406380, 445455, 487656, 514748, 534546, 562680, 593940, 609570, 643435, 712728, 731484, 772122, 812760, 890910, 914355, 1029496, 1069092, 1158183, 1187880, 1219140, 1286870, 1336365, 1462968, 1544244, 1781820, 1828710, 1930305, 2138184, 2316366, 2438280, 2573740, 2672730, 3088488, 3474549, 3563640, 3657420, 3860610, 4632732, 5147480, 5345460, 5790915, 6949098, 7314840, 7721220, 9265464, 10690920, 11581830, 13898196, 15442440, 17372745, 23163660, 27796392, 34745490, 46327320, 69490980, 138981960]

約数ペア:

[(1, 138981960), (2, 69490980), (3, 46327320), (4, 34745490), (5, 27796392), (6, 23163660), (8, 17372745), (9, 15442440), (10, 13898196), (12, 11581830), (13, 10690920), (15, 9265464), (18, 7721220), (19, 7314840), (20, 6949098), (24, 5790915), (26, 5345460), (27, 5147480), (30, 4632732), (36, 3860610), (38, 3657420), (39, 3563640), (40, 3474549), (45, 3088488), (52, 2672730), (54, 2573740), (57, 2438280), (60, 2316366), (65, 2138184), (72, 1930305), (76, 1828710), (78, 1781820), (90, 1544244), (95, 1462968), (104, 1336365), (108, 1286870), (114, 1219140), (117, 1187880), (120, 1158183), (130, 1069092), (135, 1029496), (152, 914355), (156, 890910), (171, 812760), (180, 772122), (190, 731484), (195, 712728), (216, 643435), (228, 609570), (234, 593940), (247, 562680), (260, 534546), (270, 514748), (285, 487656), (312, 445455), (342, 406380), (351, 395960), (360, 386061), (380, 365742), (390, 356364), (456, 304785), (468, 296970), (494, 281340), (513, 270920), (520, 267273), (521, 266760), (540, 257374), (570, 243828), (585, 237576), (684, 203190), (702, 197980), (741, 187560), (760, 182871), (780, 178182), (855, 162552), (936, 148485), (988, 140670), (1026, 135460), (1042, 133380), (1080, 128687), (1140, 121914), (1170, 118788), (1235, 112536), (1368, 101595), (1404, 98990), (1482, 93780), (1560, 89091), (1563, 88920), (1710, 81276), (1755, 79192), (1976, 70335), (2052, 67730), (2084, 66690), (2223, 62520), (2280, 60957), (2340, 59394), (2470, 56268), (2565, 54184), (2605, 53352), (2808, 49495), (2964, 46890), (3126, 44460), (3420, 40638), (3510, 39596), (3705, 37512), (4104, 33865), (4168, 33345), (4446, 31260), (4680, 29697), (4689, 29640), (4940, 28134), (5130, 27092), (5210, 26676), (5928, 23445), (6252, 22230), (6669, 20840), (6773, 20520), (6840, 20319), (7020, 19798), (7410, 18756), (7815, 17784), (8892, 15630), (9378, 14820), (9880, 14067), (9899, 14040), (10260, 13546), (10420, 13338), (11115, 12504)]