311006880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6967}}^1$

素因数の和:7019

約数の個数: 144

約数和(自身を含む): 1095704064

約数和(自身を除く): 784697184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 6967, 7440, 8928, 11160, 13934, 14880, 20901, 22320, 27868, 34835, 41802, 44640, 55736, 62703, 69670, 83604, 104505, 111472, 125406, 139340, 167208, 209010, 215977, 222944, 250812, 278680, 313515, 334416, 418020, 431954, 501624, 557360, 627030, 647931, 668832, 836040, 863908, 1003248, 1079885, 1114720, 1254060, 1295862, 1672080, 1727816, 1943793, 2006496, 2159770, 2508120, 2591724, 3239655, 3344160, 3455632, 3887586, 4319540, 5016240, 5183448, 6479310, 6911264, 7775172, 8639080, 9718965, 10032480, 10366896, 12958620, 15550344, 17278160, 19437930, 20733792, 25917240, 31100688, 34556320, 38875860, 51834480, 62201376, 77751720, 103668960, 155503440, 311006880]

約数ペア:

[(1, 311006880), (2, 155503440), (3, 103668960), (4, 77751720), (5, 62201376), (6, 51834480), (8, 38875860), (9, 34556320), (10, 31100688), (12, 25917240), (15, 20733792), (16, 19437930), (18, 17278160), (20, 15550344), (24, 12958620), (30, 10366896), (31, 10032480), (32, 9718965), (36, 8639080), (40, 7775172), (45, 6911264), (48, 6479310), (60, 5183448), (62, 5016240), (72, 4319540), (80, 3887586), (90, 3455632), (93, 3344160), (96, 3239655), (120, 2591724), (124, 2508120), (144, 2159770), (155, 2006496), (160, 1943793), (180, 1727816), (186, 1672080), (240, 1295862), (248, 1254060), (279, 1114720), (288, 1079885), (310, 1003248), (360, 863908), (372, 836040), (465, 668832), (480, 647931), (496, 627030), (558, 557360), (620, 501624), (720, 431954), (744, 418020), (930, 334416), (992, 313515), (1116, 278680), (1240, 250812), (1395, 222944), (1440, 215977), (1488, 209010), (1860, 167208), (2232, 139340), (2480, 125406), (2790, 111472), (2976, 104505), (3720, 83604), (4464, 69670), (4960, 62703), (5580, 55736), (6967, 44640), (7440, 41802), (8928, 34835), (11160, 27868), (13934, 22320), (14880, 20901)]