30718887040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1548331}}^1$

素因数の和:1548381

約数の個数: 64

約数和(自身を含む): 75806334720

約数和(自身を除く): 45087447680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 1548331, 3096662, 6193324, 7741655, 12386648, 15483310, 24773296, 30966620, 47998261, 49546592, 61933240, 95996522, 99093184, 123866480, 191993044, 198186368, 239991305, 247732960, 383986088, 479982610, 495465920, 767972176, 959965220, 990931840, 1535944352, 1919930440, 3071888704, 3839860880, 6143777408, 7679721760, 15359443520, 30718887040]

約数ペア:

[(1, 30718887040), (2, 15359443520), (4, 7679721760), (5, 6143777408), (8, 3839860880), (10, 3071888704), (16, 1919930440), (20, 1535944352), (31, 990931840), (32, 959965220), (40, 767972176), (62, 495465920), (64, 479982610), (80, 383986088), (124, 247732960), (128, 239991305), (155, 198186368), (160, 191993044), (248, 123866480), (310, 99093184), (320, 95996522), (496, 61933240), (620, 49546592), (640, 47998261), (992, 30966620), (1240, 24773296), (1984, 15483310), (2480, 12386648), (3968, 7741655), (4960, 6193324), (9920, 3096662), (19840, 1548331)]