51631440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 160

約数和(自身を含む): 185869056

約数和(自身を除く): 134237616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 280, 292, 336, 365, 420, 421, 438, 511, 560, 584, 730, 840, 842, 876, 1022, 1095, 1168, 1263, 1460, 1533, 1680, 1684, 1752, 2044, 2105, 2190, 2526, 2555, 2920, 2947, 3066, 3368, 3504, 4088, 4210, 4380, 5052, 5110, 5840, 5894, 6132, 6315, 6736, 7665, 8176, 8420, 8760, 8841, 10104, 10220, 11788, 12264, 12630, 14735, 15330, 16840, 17520, 17682, 20208, 20440, 23576, 24528, 25260, 29470, 30660, 30733, 33680, 35364, 40880, 44205, 47152, 50520, 58940, 61320, 61466, 70728, 88410, 92199, 101040, 117880, 122640, 122932, 141456, 153665, 176820, 184398, 215131, 235760, 245864, 307330, 353640, 368796, 430262, 460995, 491728, 614660, 645393, 707280, 737592, 860524, 921990, 1075655, 1229320, 1290786, 1475184, 1721048, 1843980, 2151310, 2458640, 2581572, 3226965, 3442096, 3687960, 4302620, 5163144, 6453930, 7375920, 8605240, 10326288, 12907860, 17210480, 25815720, 51631440]

約数ペア:

[(1, 51631440), (2, 25815720), (3, 17210480), (4, 12907860), (5, 10326288), (6, 8605240), (7, 7375920), (8, 6453930), (10, 5163144), (12, 4302620), (14, 3687960), (15, 3442096), (16, 3226965), (20, 2581572), (21, 2458640), (24, 2151310), (28, 1843980), (30, 1721048), (35, 1475184), (40, 1290786), (42, 1229320), (48, 1075655), (56, 921990), (60, 860524), (70, 737592), (73, 707280), (80, 645393), (84, 614660), (105, 491728), (112, 460995), (120, 430262), (140, 368796), (146, 353640), (168, 307330), (210, 245864), (219, 235760), (240, 215131), (280, 184398), (292, 176820), (336, 153665), (365, 141456), (420, 122932), (421, 122640), (438, 117880), (511, 101040), (560, 92199), (584, 88410), (730, 70728), (840, 61466), (842, 61320), (876, 58940), (1022, 50520), (1095, 47152), (1168, 44205), (1263, 40880), (1460, 35364), (1533, 33680), (1680, 30733), (1684, 30660), (1752, 29470), (2044, 25260), (2105, 24528), (2190, 23576), (2526, 20440), (2555, 20208), (2920, 17682), (2947, 17520), (3066, 16840), (3368, 15330), (3504, 14735), (4088, 12630), (4210, 12264), (4380, 11788), (5052, 10220), (5110, 10104), (5840, 8841), (5894, 8760), (6132, 8420), (6315, 8176), (6736, 7665)]