641450640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{863}}^1$

素因数の和:1061

約数の個数: 160

約数和(自身を含む): 2108436480

約数和(自身を除く): 1466985840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 163, 190, 228, 240, 285, 304, 326, 380, 456, 489, 570, 652, 760, 815, 863, 912, 978, 1140, 1304, 1520, 1630, 1726, 1956, 2280, 2445, 2589, 2608, 3097, 3260, 3452, 3912, 4315, 4560, 4890, 5178, 6194, 6520, 6904, 7824, 8630, 9291, 9780, 10356, 12388, 12945, 13040, 13808, 15485, 16397, 17260, 18582, 19560, 20712, 24776, 25890, 30970, 32794, 34520, 37164, 39120, 41424, 46455, 49191, 49552, 51780, 61940, 65588, 69040, 74328, 81985, 92910, 98382, 103560, 123880, 131176, 140669, 148656, 163970, 185820, 196764, 207120, 245955, 247760, 262352, 281338, 327940, 371640, 393528, 422007, 491910, 562676, 655880, 703345, 743280, 787056, 844014, 983820, 1125352, 1311760, 1406690, 1688028, 1967640, 2110035, 2250704, 2672711, 2813380, 3376056, 3935280, 4220070, 5345422, 5626760, 6752112, 8018133, 8440140, 10690844, 11253520, 13363555, 16036266, 16880280, 21381688, 26727110, 32072532, 33760560, 40090665, 42763376, 53454220, 64145064, 80181330, 106908440, 128290128, 160362660, 213816880, 320725320, 641450640]

約数ペア:

[(1, 641450640), (2, 320725320), (3, 213816880), (4, 160362660), (5, 128290128), (6, 106908440), (8, 80181330), (10, 64145064), (12, 53454220), (15, 42763376), (16, 40090665), (19, 33760560), (20, 32072532), (24, 26727110), (30, 21381688), (38, 16880280), (40, 16036266), (48, 13363555), (57, 11253520), (60, 10690844), (76, 8440140), (80, 8018133), (95, 6752112), (114, 5626760), (120, 5345422), (152, 4220070), (163, 3935280), (190, 3376056), (228, 2813380), (240, 2672711), (285, 2250704), (304, 2110035), (326, 1967640), (380, 1688028), (456, 1406690), (489, 1311760), (570, 1125352), (652, 983820), (760, 844014), (815, 787056), (863, 743280), (912, 703345), (978, 655880), (1140, 562676), (1304, 491910), (1520, 422007), (1630, 393528), (1726, 371640), (1956, 327940), (2280, 281338), (2445, 262352), (2589, 247760), (2608, 245955), (3097, 207120), (3260, 196764), (3452, 185820), (3912, 163970), (4315, 148656), (4560, 140669), (4890, 131176), (5178, 123880), (6194, 103560), (6520, 98382), (6904, 92910), (7824, 81985), (8630, 74328), (9291, 69040), (9780, 65588), (10356, 61940), (12388, 51780), (12945, 49552), (13040, 49191), (13808, 46455), (15485, 41424), (16397, 39120), (17260, 37164), (18582, 34520), (19560, 32794), (20712, 30970), (24776, 25890)]