172758040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1593

約数の個数: 128

約数和(自身を含む): 494161920

約数和(自身を除く): 321403880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1531, 1612, 1736, 1820, 2015, 2170, 2821, 3062, 3224, 3640, 4030, 4340, 5642, 6124, 7655, 8060, 8680, 10717, 11284, 12248, 14105, 15310, 16120, 19903, 21434, 22568, 28210, 30620, 39806, 42868, 47461, 53585, 56420, 61240, 79612, 85736, 94922, 99515, 107170, 112840, 139321, 159224, 189844, 199030, 214340, 237305, 278642, 332227, 379688, 398060, 428680, 474610, 557284, 616993, 664454, 696605, 796120, 949220, 1114568, 1233986, 1328908, 1393210, 1661135, 1898440, 2467972, 2657816, 2786420, 3084965, 3322270, 4318951, 4935944, 5572840, 6169930, 6644540, 8637902, 12339860, 13289080, 17275804, 21594755, 24679720, 34551608, 43189510, 86379020, 172758040]

約数ペア:

[(1, 172758040), (2, 86379020), (4, 43189510), (5, 34551608), (7, 24679720), (8, 21594755), (10, 17275804), (13, 13289080), (14, 12339860), (20, 8637902), (26, 6644540), (28, 6169930), (31, 5572840), (35, 4935944), (40, 4318951), (52, 3322270), (56, 3084965), (62, 2786420), (65, 2657816), (70, 2467972), (91, 1898440), (104, 1661135), (124, 1393210), (130, 1328908), (140, 1233986), (155, 1114568), (182, 949220), (217, 796120), (248, 696605), (260, 664454), (280, 616993), (310, 557284), (364, 474610), (403, 428680), (434, 398060), (455, 379688), (520, 332227), (620, 278642), (728, 237305), (806, 214340), (868, 199030), (910, 189844), (1085, 159224), (1240, 139321), (1531, 112840), (1612, 107170), (1736, 99515), (1820, 94922), (2015, 85736), (2170, 79612), (2821, 61240), (3062, 56420), (3224, 53585), (3640, 47461), (4030, 42868), (4340, 39806), (5642, 30620), (6124, 28210), (7655, 22568), (8060, 21434), (8680, 19903), (10717, 16120), (11284, 15310), (12248, 14105)]