1640450560

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3014

約数の個数: 160

約数和(自身を含む): 4641702912

約数和(自身を除く): 3001252352

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, 512, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 2560, 2953, 3472, 3584, 3968, 4340, 4480, 4960, 5906, 6944, 7936, 8680, 8960, 9920, 11812, 13888, 14765, 15872, 17360, 17920, 19840, 20671, 23624, 27776, 29530, 34720, 39680, 41342, 47248, 55552, 59060, 69440, 79360, 82684, 91543, 94496, 103355, 111104, 118120, 138880, 165368, 183086, 188992, 206710, 236240, 277760, 330736, 366172, 377984, 413420, 457715, 472480, 555520, 640801, 661472, 732344, 755968, 826840, 915430, 944960, 1281602, 1322944, 1464688, 1511936, 1653680, 1830860, 1889920, 2563204, 2645888, 2929376, 3204005, 3307360, 3661720, 3779840, 5126408, 5291776, 5858752, 6408010, 6614720, 7323440, 7559680, 10252816, 10583552, 11717504, 12816020, 13229440, 14646880, 20505632, 23435008, 25632040, 26458880, 29293760, 41011264, 46870016, 51264080, 52917760, 58587520, 82022528, 102528160, 117175040, 164045056, 205056320, 234350080, 328090112, 410112640, 820225280, 1640450560]

約数ペア:

[(1, 1640450560), (2, 820225280), (4, 410112640), (5, 328090112), (7, 234350080), (8, 205056320), (10, 164045056), (14, 117175040), (16, 102528160), (20, 82022528), (28, 58587520), (31, 52917760), (32, 51264080), (35, 46870016), (40, 41011264), (56, 29293760), (62, 26458880), (64, 25632040), (70, 23435008), (80, 20505632), (112, 14646880), (124, 13229440), (128, 12816020), (140, 11717504), (155, 10583552), (160, 10252816), (217, 7559680), (224, 7323440), (248, 6614720), (256, 6408010), (280, 5858752), (310, 5291776), (320, 5126408), (434, 3779840), (448, 3661720), (496, 3307360), (512, 3204005), (560, 2929376), (620, 2645888), (640, 2563204), (868, 1889920), (896, 1830860), (992, 1653680), (1085, 1511936), (1120, 1464688), (1240, 1322944), (1280, 1281602), (1736, 944960), (1792, 915430), (1984, 826840), (2170, 755968), (2240, 732344), (2480, 661472), (2560, 640801), (2953, 555520), (3472, 472480), (3584, 457715), (3968, 413420), (4340, 377984), (4480, 366172), (4960, 330736), (5906, 277760), (6944, 236240), (7936, 206710), (8680, 188992), (8960, 183086), (9920, 165368), (11812, 138880), (13888, 118120), (14765, 111104), (15872, 103355), (17360, 94496), (17920, 91543), (19840, 82684), (20671, 79360), (23624, 69440), (27776, 59060), (29530, 55552), (34720, 47248), (39680, 41342)]