1408943640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1409}}^1$

素因数の和:2077

約数の個数: 128

約数和(自身を含む): 4562308800

約数和(自身を除く): 3153365160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 641, 780, 1282, 1409, 1560, 1923, 2564, 2818, 3205, 3846, 4227, 5128, 5636, 6410, 7045, 7692, 8333, 8454, 9615, 11272, 12820, 14090, 15384, 16666, 16908, 18317, 19230, 21135, 24999, 25640, 28180, 33332, 33816, 36634, 38460, 41665, 42270, 49998, 54951, 56360, 66664, 73268, 76920, 83330, 84540, 91585, 99996, 109902, 124995, 146536, 166660, 169080, 183170, 199992, 219804, 249990, 274755, 333320, 366340, 439608, 499980, 549510, 732680, 903169, 999960, 1099020, 1806338, 2198040, 2709507, 3612676, 4515845, 5419014, 7225352, 9031690, 10838028, 11741197, 13547535, 18063380, 21676056, 23482394, 27095070, 35223591, 36126760, 46964788, 54190140, 58705985, 70447182, 93929576, 108380280, 117411970, 140894364, 176117955, 234823940, 281788728, 352235910, 469647880, 704471820, 1408943640]

約数ペア:

[(1, 1408943640), (2, 704471820), (3, 469647880), (4, 352235910), (5, 281788728), (6, 234823940), (8, 176117955), (10, 140894364), (12, 117411970), (13, 108380280), (15, 93929576), (20, 70447182), (24, 58705985), (26, 54190140), (30, 46964788), (39, 36126760), (40, 35223591), (52, 27095070), (60, 23482394), (65, 21676056), (78, 18063380), (104, 13547535), (120, 11741197), (130, 10838028), (156, 9031690), (195, 7225352), (260, 5419014), (312, 4515845), (390, 3612676), (520, 2709507), (641, 2198040), (780, 1806338), (1282, 1099020), (1409, 999960), (1560, 903169), (1923, 732680), (2564, 549510), (2818, 499980), (3205, 439608), (3846, 366340), (4227, 333320), (5128, 274755), (5636, 249990), (6410, 219804), (7045, 199992), (7692, 183170), (8333, 169080), (8454, 166660), (9615, 146536), (11272, 124995), (12820, 109902), (14090, 99996), (15384, 91585), (16666, 84540), (16908, 83330), (18317, 76920), (19230, 73268), (21135, 66664), (24999, 56360), (25640, 54951), (28180, 49998), (33332, 42270), (33816, 41665), (36634, 38460)]