638607040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1$

素因数の和:1442

約数の個数: 112

約数和(自身を含む): 1629460800

約数和(自身を除く): 990853760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 89, 136, 160, 170, 178, 272, 320, 340, 356, 445, 544, 680, 712, 890, 1088, 1319, 1360, 1424, 1513, 1780, 2638, 2720, 2848, 3026, 3560, 5276, 5440, 5696, 6052, 6595, 7120, 7565, 10552, 12104, 13190, 14240, 15130, 21104, 22423, 24208, 26380, 28480, 30260, 42208, 44846, 48416, 52760, 60520, 84416, 89692, 96832, 105520, 112115, 117391, 121040, 179384, 211040, 224230, 234782, 242080, 358768, 422080, 448460, 469564, 484160, 586955, 717536, 896920, 939128, 1173910, 1435072, 1793840, 1878256, 1995647, 2347820, 3587680, 3756512, 3991294, 4695640, 7175360, 7513024, 7982588, 9391280, 9978235, 15965176, 18782560, 19956470, 31930352, 37565120, 39912940, 63860704, 79825880, 127721408, 159651760, 319303520, 638607040]

約数ペア:

[(1, 638607040), (2, 319303520), (4, 159651760), (5, 127721408), (8, 79825880), (10, 63860704), (16, 39912940), (17, 37565120), (20, 31930352), (32, 19956470), (34, 18782560), (40, 15965176), (64, 9978235), (68, 9391280), (80, 7982588), (85, 7513024), (89, 7175360), (136, 4695640), (160, 3991294), (170, 3756512), (178, 3587680), (272, 2347820), (320, 1995647), (340, 1878256), (356, 1793840), (445, 1435072), (544, 1173910), (680, 939128), (712, 896920), (890, 717536), (1088, 586955), (1319, 484160), (1360, 469564), (1424, 448460), (1513, 422080), (1780, 358768), (2638, 242080), (2720, 234782), (2848, 224230), (3026, 211040), (3560, 179384), (5276, 121040), (5440, 117391), (5696, 112115), (6052, 105520), (6595, 96832), (7120, 89692), (7565, 84416), (10552, 60520), (12104, 52760), (13190, 48416), (14240, 44846), (15130, 42208), (21104, 30260), (22423, 28480), (24208, 26380)]