84907520

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1991

約数の個数: 80

約数和(自身を含む): 215664768

約数和(自身を除く): 130757248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 1951, 2176, 2560, 2720, 3902, 4352, 5440, 7804, 8704, 9755, 10880, 15608, 19510, 21760, 31216, 33167, 39020, 43520, 62432, 66334, 78040, 124864, 132668, 156080, 165835, 249728, 265336, 312160, 331670, 499456, 530672, 624320, 663340, 998912, 1061344, 1248640, 1326680, 2122688, 2497280, 2653360, 4245376, 4994560, 5306720, 8490752, 10613440, 16981504, 21226880, 42453760, 84907520]

約数ペア:

[(1, 84907520), (2, 42453760), (4, 21226880), (5, 16981504), (8, 10613440), (10, 8490752), (16, 5306720), (17, 4994560), (20, 4245376), (32, 2653360), (34, 2497280), (40, 2122688), (64, 1326680), (68, 1248640), (80, 1061344), (85, 998912), (128, 663340), (136, 624320), (160, 530672), (170, 499456), (256, 331670), (272, 312160), (320, 265336), (340, 249728), (512, 165835), (544, 156080), (640, 132668), (680, 124864), (1088, 78040), (1280, 66334), (1360, 62432), (1951, 43520), (2176, 39020), (2560, 33167), (2720, 31216), (3902, 21760), (4352, 19510), (5440, 15608), (7804, 10880), (8704, 9755)]