72140720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1594

約数の個数: 80

約数和(自身を含む): 182369280

約数和(自身を除く): 110228560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 1531, 2356, 2480, 2945, 3062, 4712, 5890, 6124, 7655, 9424, 11780, 12248, 15310, 23560, 24496, 29089, 30620, 47120, 47461, 58178, 61240, 94922, 116356, 122480, 145445, 189844, 232712, 237305, 290890, 379688, 465424, 474610, 581780, 759376, 901759, 949220, 1163560, 1803518, 1898440, 2327120, 3607036, 3796880, 4508795, 7214072, 9017590, 14428144, 18035180, 36070360, 72140720]

約数ペア:

[(1, 72140720), (2, 36070360), (4, 18035180), (5, 14428144), (8, 9017590), (10, 7214072), (16, 4508795), (19, 3796880), (20, 3607036), (31, 2327120), (38, 1898440), (40, 1803518), (62, 1163560), (76, 949220), (80, 901759), (95, 759376), (124, 581780), (152, 474610), (155, 465424), (190, 379688), (248, 290890), (304, 237305), (310, 232712), (380, 189844), (496, 145445), (589, 122480), (620, 116356), (760, 94922), (1178, 61240), (1240, 58178), (1520, 47461), (1531, 47120), (2356, 30620), (2480, 29089), (2945, 24496), (3062, 23560), (4712, 15310), (5890, 12248), (6124, 11780), (7655, 9424)]