79400880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 240

約数和(自身を含む): 304668000

約数和(自身を除く): 225267120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 499, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 998, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1497, 1530, 1560, 1768, 1872, 1989, 1996, 2040, 2210, 2340, 2448, 2495, 2652, 2994, 3060, 3120, 3315, 3536, 3978, 3992, 4080, 4420, 4491, 4680, 4990, 5304, 5988, 6120, 6487, 6630, 7485, 7956, 7984, 8483, 8840, 8982, 9360, 9945, 9980, 10608, 11976, 12240, 12974, 13260, 14970, 15912, 16966, 17680, 17964, 19461, 19890, 19960, 22455, 23952, 25449, 25948, 26520, 29940, 31824, 32435, 33932, 35928, 38922, 39780, 39920, 42415, 44910, 50898, 51896, 53040, 58383, 59880, 64870, 67864, 71856, 76347, 77844, 79560, 84830, 89820, 97305, 101796, 103792, 110279, 116766, 119760, 127245, 129740, 135728, 152694, 155688, 159120, 169660, 179640, 194610, 203592, 220558, 233532, 254490, 259480, 291915, 305388, 311376, 330837, 339320, 359280, 381735, 389220, 407184, 441116, 467064, 508980, 518960, 551395, 583830, 610776, 661674, 678640, 763470, 778440, 882232, 934128, 992511, 1017960, 1102790, 1167660, 1221552, 1323348, 1526940, 1556880, 1654185, 1764464, 1985022, 2035920, 2205580, 2335320, 2646696, 3053880, 3308370, 3970044, 4411160, 4670640, 4962555, 5293392, 6107760, 6616740, 7940088, 8822320, 9925110, 13233480, 15880176, 19850220, 26466960, 39700440, 79400880]

約数ペア:

[(1, 79400880), (2, 39700440), (3, 26466960), (4, 19850220), (5, 15880176), (6, 13233480), (8, 9925110), (9, 8822320), (10, 7940088), (12, 6616740), (13, 6107760), (15, 5293392), (16, 4962555), (17, 4670640), (18, 4411160), (20, 3970044), (24, 3308370), (26, 3053880), (30, 2646696), (34, 2335320), (36, 2205580), (39, 2035920), (40, 1985022), (45, 1764464), (48, 1654185), (51, 1556880), (52, 1526940), (60, 1323348), (65, 1221552), (68, 1167660), (72, 1102790), (78, 1017960), (80, 992511), (85, 934128), (90, 882232), (102, 778440), (104, 763470), (117, 678640), (120, 661674), (130, 610776), (136, 583830), (144, 551395), (153, 518960), (156, 508980), (170, 467064), (180, 441116), (195, 407184), (204, 389220), (208, 381735), (221, 359280), (234, 339320), (240, 330837), (255, 311376), (260, 305388), (272, 291915), (306, 259480), (312, 254490), (340, 233532), (360, 220558), (390, 203592), (408, 194610), (442, 179640), (468, 169660), (499, 159120), (510, 155688), (520, 152694), (585, 135728), (612, 129740), (624, 127245), (663, 119760), (680, 116766), (720, 110279), (765, 103792), (780, 101796), (816, 97305), (884, 89820), (936, 84830), (998, 79560), (1020, 77844), (1040, 76347), (1105, 71856), (1170, 67864), (1224, 64870), (1326, 59880), (1360, 58383), (1497, 53040), (1530, 51896), (1560, 50898), (1768, 44910), (1872, 42415), (1989, 39920), (1996, 39780), (2040, 38922), (2210, 35928), (2340, 33932), (2448, 32435), (2495, 31824), (2652, 29940), (2994, 26520), (3060, 25948), (3120, 25449), (3315, 23952), (3536, 22455), (3978, 19960), (3992, 19890), (4080, 19461), (4420, 17964), (4491, 17680), (4680, 16966), (4990, 15912), (5304, 14970), (5988, 13260), (6120, 12974), (6487, 12240), (6630, 11976), (7485, 10608), (7956, 9980), (7984, 9945), (8483, 9360), (8840, 8982)]