218292720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1973}}^1$

素因数の和:2450

約数の個数: 80

約数和(自身を含む): 678519072

約数和(自身を除く): 460226352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 461, 922, 1383, 1844, 1973, 2305, 2766, 3688, 3946, 4610, 5532, 5919, 6915, 7376, 7892, 9220, 9865, 11064, 11838, 13830, 15784, 18440, 19730, 22128, 23676, 27660, 29595, 31568, 36880, 39460, 47352, 55320, 59190, 78920, 94704, 110640, 118380, 157840, 236760, 473520, 909553, 1819106, 2728659, 3638212, 4547765, 5457318, 7276424, 9095530, 10914636, 13643295, 14552848, 18191060, 21829272, 27286590, 36382120, 43658544, 54573180, 72764240, 109146360, 218292720]

約数ペア:

[(1, 218292720), (2, 109146360), (3, 72764240), (4, 54573180), (5, 43658544), (6, 36382120), (8, 27286590), (10, 21829272), (12, 18191060), (15, 14552848), (16, 13643295), (20, 10914636), (24, 9095530), (30, 7276424), (40, 5457318), (48, 4547765), (60, 3638212), (80, 2728659), (120, 1819106), (240, 909553), (461, 473520), (922, 236760), (1383, 157840), (1844, 118380), (1973, 110640), (2305, 94704), (2766, 78920), (3688, 59190), (3946, 55320), (4610, 47352), (5532, 39460), (5919, 36880), (6915, 31568), (7376, 29595), (7892, 27660), (9220, 23676), (9865, 22128), (11064, 19730), (11838, 18440), (13830, 15784)]