320725320

素因数分解:

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

素因数の和:1059

約数の個数: 128

約数和(自身を含む): 1020211200

約数和(自身を除く): 699485880

約数列:

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

約数ペア:

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