72439360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:540

約数の個数: 112

約数和(自身を含む): 200290176

約数和(自身を除く): 127850816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 443, 448, 511, 560, 584, 730, 886, 1022, 1120, 1168, 1460, 1772, 2044, 2215, 2240, 2336, 2555, 2920, 3101, 3544, 4088, 4430, 4672, 5110, 5840, 6202, 7088, 8176, 8860, 10220, 11680, 12404, 14176, 15505, 16352, 17720, 20440, 23360, 24808, 28352, 31010, 32339, 32704, 35440, 40880, 49616, 62020, 64678, 70880, 81760, 99232, 124040, 129356, 141760, 161695, 163520, 198464, 226373, 248080, 258712, 323390, 452746, 496160, 517424, 646780, 905492, 992320, 1034848, 1131865, 1293560, 1810984, 2069696, 2263730, 2587120, 3621968, 4527460, 5174240, 7243936, 9054920, 10348480, 14487872, 18109840, 36219680, 72439360]

約数ペア:

[(1, 72439360), (2, 36219680), (4, 18109840), (5, 14487872), (7, 10348480), (8, 9054920), (10, 7243936), (14, 5174240), (16, 4527460), (20, 3621968), (28, 2587120), (32, 2263730), (35, 2069696), (40, 1810984), (56, 1293560), (64, 1131865), (70, 1034848), (73, 992320), (80, 905492), (112, 646780), (140, 517424), (146, 496160), (160, 452746), (224, 323390), (280, 258712), (292, 248080), (320, 226373), (365, 198464), (443, 163520), (448, 161695), (511, 141760), (560, 129356), (584, 124040), (730, 99232), (886, 81760), (1022, 70880), (1120, 64678), (1168, 62020), (1460, 49616), (1772, 40880), (2044, 35440), (2215, 32704), (2240, 32339), (2336, 31010), (2555, 28352), (2920, 24808), (3101, 23360), (3544, 20440), (4088, 17720), (4430, 16352), (4672, 15505), (5110, 14176), (5840, 12404), (6202, 11680), (7088, 10220), (8176, 8860)]