91278880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 192

約数和(自身を含む): 278691840

約数和(自身を除く): 187412960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 239, 248, 280, 308, 310, 341, 352, 385, 434, 440, 478, 496, 560, 616, 620, 682, 770, 868, 880, 956, 992, 1085, 1120, 1195, 1232, 1240, 1364, 1540, 1673, 1705, 1736, 1760, 1912, 2170, 2387, 2390, 2464, 2480, 2629, 2728, 3080, 3346, 3410, 3472, 3824, 4340, 4774, 4780, 4960, 5258, 5456, 6160, 6692, 6820, 6944, 7409, 7648, 8365, 8680, 9548, 9560, 10516, 10912, 11935, 12320, 13145, 13384, 13640, 14818, 16730, 17360, 18403, 19096, 19120, 21032, 23870, 26290, 26768, 27280, 29636, 33460, 34720, 36806, 37045, 38192, 38240, 42064, 47740, 51863, 52580, 53536, 54560, 59272, 66920, 73612, 74090, 76384, 81499, 84128, 92015, 95480, 103726, 105160, 118544, 133840, 147224, 148180, 162998, 184030, 190960, 207452, 210320, 237088, 259315, 267680, 294448, 296360, 325996, 368060, 381920, 407495, 414904, 420640, 518630, 570493, 588896, 592720, 651992, 736120, 814990, 829808, 1037260, 1140986, 1185440, 1303984, 1472240, 1629980, 1659616, 2074520, 2281972, 2607968, 2852465, 2944480, 3259960, 4149040, 4563944, 5704930, 6519920, 8298080, 9127888, 11409860, 13039840, 18255776, 22819720, 45639440, 91278880]

約数ペア:

[(1, 91278880), (2, 45639440), (4, 22819720), (5, 18255776), (7, 13039840), (8, 11409860), (10, 9127888), (11, 8298080), (14, 6519920), (16, 5704930), (20, 4563944), (22, 4149040), (28, 3259960), (31, 2944480), (32, 2852465), (35, 2607968), (40, 2281972), (44, 2074520), (55, 1659616), (56, 1629980), (62, 1472240), (70, 1303984), (77, 1185440), (80, 1140986), (88, 1037260), (110, 829808), (112, 814990), (124, 736120), (140, 651992), (154, 592720), (155, 588896), (160, 570493), (176, 518630), (217, 420640), (220, 414904), (224, 407495), (239, 381920), (248, 368060), (280, 325996), (308, 296360), (310, 294448), (341, 267680), (352, 259315), (385, 237088), (434, 210320), (440, 207452), (478, 190960), (496, 184030), (560, 162998), (616, 148180), (620, 147224), (682, 133840), (770, 118544), (868, 105160), (880, 103726), (956, 95480), (992, 92015), (1085, 84128), (1120, 81499), (1195, 76384), (1232, 74090), (1240, 73612), (1364, 66920), (1540, 59272), (1673, 54560), (1705, 53536), (1736, 52580), (1760, 51863), (1912, 47740), (2170, 42064), (2387, 38240), (2390, 38192), (2464, 37045), (2480, 36806), (2629, 34720), (2728, 33460), (3080, 29636), (3346, 27280), (3410, 26768), (3472, 26290), (3824, 23870), (4340, 21032), (4774, 19120), (4780, 19096), (4960, 18403), (5258, 17360), (5456, 16730), (6160, 14818), (6692, 13640), (6820, 13384), (6944, 13145), (7409, 12320), (7648, 11935), (8365, 10912), (8680, 10516), (9548, 9560)]