679678720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2506

約数の個数: 144

約数和(自身を含む): 1921425408

約数和(自身を除く): 1241746688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2447, 2480, 3472, 3968, 4340, 4480, 4894, 4960, 6944, 7936, 8680, 8960, 9788, 9920, 12235, 13888, 17129, 17360, 19576, 19840, 24470, 27776, 34258, 34720, 39152, 39680, 48940, 55552, 68516, 69440, 75857, 78304, 85645, 97880, 137032, 138880, 151714, 156608, 171290, 195760, 274064, 277760, 303428, 313216, 342580, 379285, 391520, 530999, 548128, 606856, 626432, 685160, 758570, 783040, 1061998, 1096256, 1213712, 1370320, 1517140, 1566080, 2123996, 2192512, 2427424, 2654995, 2740640, 3034280, 3132160, 4247992, 4385024, 4854848, 5309990, 5481280, 6068560, 8495984, 9709696, 10619980, 10962560, 12137120, 16991968, 19419392, 21239960, 21925120, 24274240, 33983936, 42479920, 48548480, 67967872, 84959840, 97096960, 135935744, 169919680, 339839360, 679678720]

約数ペア:

[(1, 679678720), (2, 339839360), (4, 169919680), (5, 135935744), (7, 97096960), (8, 84959840), (10, 67967872), (14, 48548480), (16, 42479920), (20, 33983936), (28, 24274240), (31, 21925120), (32, 21239960), (35, 19419392), (40, 16991968), (56, 12137120), (62, 10962560), (64, 10619980), (70, 9709696), (80, 8495984), (112, 6068560), (124, 5481280), (128, 5309990), (140, 4854848), (155, 4385024), (160, 4247992), (217, 3132160), (224, 3034280), (248, 2740640), (256, 2654995), (280, 2427424), (310, 2192512), (320, 2123996), (434, 1566080), (448, 1517140), (496, 1370320), (560, 1213712), (620, 1096256), (640, 1061998), (868, 783040), (896, 758570), (992, 685160), (1085, 626432), (1120, 606856), (1240, 548128), (1280, 530999), (1736, 391520), (1792, 379285), (1984, 342580), (2170, 313216), (2240, 303428), (2447, 277760), (2480, 274064), (3472, 195760), (3968, 171290), (4340, 156608), (4480, 151714), (4894, 138880), (4960, 137032), (6944, 97880), (7936, 85645), (8680, 78304), (8960, 75857), (9788, 69440), (9920, 68516), (12235, 55552), (13888, 48940), (17129, 39680), (17360, 39152), (19576, 34720), (19840, 34258), (24470, 27776)]