1220603720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{7883}}^1$

素因数の和:7987

約数の個数: 96

約数和(自身を含む): 3235593600

約数和(自身を除く): 2014989880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 245, 280, 316, 392, 395, 490, 553, 632, 790, 980, 1106, 1580, 1960, 2212, 2765, 3160, 3871, 4424, 5530, 7742, 7883, 11060, 15484, 15766, 19355, 22120, 30968, 31532, 38710, 39415, 55181, 63064, 77420, 78830, 110362, 154840, 157660, 220724, 275905, 315320, 386267, 441448, 551810, 622757, 772534, 1103620, 1245514, 1545068, 1931335, 2207240, 2491028, 3090136, 3113785, 3862670, 4359299, 4982056, 6227570, 7725340, 8718598, 12455140, 15450680, 17437196, 21796495, 24910280, 30515093, 34874392, 43592990, 61030186, 87185980, 122060372, 152575465, 174371960, 244120744, 305150930, 610301860, 1220603720]

約数ペア:

[(1, 1220603720), (2, 610301860), (4, 305150930), (5, 244120744), (7, 174371960), (8, 152575465), (10, 122060372), (14, 87185980), (20, 61030186), (28, 43592990), (35, 34874392), (40, 30515093), (49, 24910280), (56, 21796495), (70, 17437196), (79, 15450680), (98, 12455140), (140, 8718598), (158, 7725340), (196, 6227570), (245, 4982056), (280, 4359299), (316, 3862670), (392, 3113785), (395, 3090136), (490, 2491028), (553, 2207240), (632, 1931335), (790, 1545068), (980, 1245514), (1106, 1103620), (1580, 772534), (1960, 622757), (2212, 551810), (2765, 441448), (3160, 386267), (3871, 315320), (4424, 275905), (5530, 220724), (7742, 157660), (7883, 154840), (11060, 110362), (15484, 78830), (15766, 77420), (19355, 63064), (22120, 55181), (30968, 39415), (31532, 38710)]