398084640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{863}}^1$

素因数の和:943

約数の個数: 144

約数和(自身を含む): 1297223424

約数和(自身を除く): 899138784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 863, 930, 961, 992, 1240, 1488, 1726, 1860, 1922, 2480, 2589, 2883, 2976, 3452, 3720, 3844, 4315, 4805, 4960, 5178, 5766, 6904, 7440, 7688, 8630, 9610, 10356, 11532, 12945, 13808, 14415, 14880, 15376, 17260, 19220, 20712, 23064, 25890, 26753, 27616, 28830, 30752, 34520, 38440, 41424, 46128, 51780, 53506, 57660, 69040, 76880, 80259, 82848, 92256, 103560, 107012, 115320, 133765, 138080, 153760, 160518, 207120, 214024, 230640, 267530, 321036, 401295, 414240, 428048, 461280, 535060, 642072, 802590, 829343, 856096, 1070120, 1284144, 1605180, 1658686, 2140240, 2488029, 2568288, 3210360, 3317372, 4146715, 4280480, 4976058, 6420720, 6634744, 8293430, 9952116, 12440145, 12841440, 13269488, 16586860, 19904232, 24880290, 26538976, 33173720, 39808464, 49760580, 66347440, 79616928, 99521160, 132694880, 199042320, 398084640]

約数ペア:

[(1, 398084640), (2, 199042320), (3, 132694880), (4, 99521160), (5, 79616928), (6, 66347440), (8, 49760580), (10, 39808464), (12, 33173720), (15, 26538976), (16, 24880290), (20, 19904232), (24, 16586860), (30, 13269488), (31, 12841440), (32, 12440145), (40, 9952116), (48, 8293430), (60, 6634744), (62, 6420720), (80, 4976058), (93, 4280480), (96, 4146715), (120, 3317372), (124, 3210360), (155, 2568288), (160, 2488029), (186, 2140240), (240, 1658686), (248, 1605180), (310, 1284144), (372, 1070120), (465, 856096), (480, 829343), (496, 802590), (620, 642072), (744, 535060), (863, 461280), (930, 428048), (961, 414240), (992, 401295), (1240, 321036), (1488, 267530), (1726, 230640), (1860, 214024), (1922, 207120), (2480, 160518), (2589, 153760), (2883, 138080), (2976, 133765), (3452, 115320), (3720, 107012), (3844, 103560), (4315, 92256), (4805, 82848), (4960, 80259), (5178, 76880), (5766, 69040), (6904, 57660), (7440, 53506), (7688, 51780), (8630, 46128), (9610, 41424), (10356, 38440), (11532, 34520), (12945, 30752), (13808, 28830), (14415, 27616), (14880, 26753), (15376, 25890), (17260, 23064), (19220, 20712)]