1638101920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112507}}^1$

素因数の和:112542

約数の個数: 96

約数和(自身を含む): 4763138688

約数和(自身を除く): 3125036768

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 14560, 112507, 225014, 450028, 562535, 787549, 900056, 1125070, 1462591, 1575098, 1800112, 2250140, 2925182, 3150196, 3600224, 3937745, 4500280, 5850364, 6300392, 7312955, 7875490, 9000560, 10238137, 11700728, 12600784, 14625910, 15750980, 18001120, 20476274, 23401456, 25201568, 29251820, 31501960, 40952548, 46802912, 51190685, 58503640, 63003920, 81905096, 102381370, 117007280, 126007840, 163810192, 204762740, 234014560, 327620384, 409525480, 819050960, 1638101920]

約数ペア:

[(1, 1638101920), (2, 819050960), (4, 409525480), (5, 327620384), (7, 234014560), (8, 204762740), (10, 163810192), (13, 126007840), (14, 117007280), (16, 102381370), (20, 81905096), (26, 63003920), (28, 58503640), (32, 51190685), (35, 46802912), (40, 40952548), (52, 31501960), (56, 29251820), (65, 25201568), (70, 23401456), (80, 20476274), (91, 18001120), (104, 15750980), (112, 14625910), (130, 12600784), (140, 11700728), (160, 10238137), (182, 9000560), (208, 7875490), (224, 7312955), (260, 6300392), (280, 5850364), (364, 4500280), (416, 3937745), (455, 3600224), (520, 3150196), (560, 2925182), (728, 2250140), (910, 1800112), (1040, 1575098), (1120, 1462591), (1456, 1125070), (1820, 900056), (2080, 787549), (2912, 562535), (3640, 450028), (7280, 225014), (14560, 112507)]