637396640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2633}}^1$

素因数の和:2754

約数の個数: 96

約数和(自身を含む): 1612956240

約数和(自身を除く): 975559600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 89, 136, 160, 170, 178, 272, 340, 356, 445, 544, 680, 712, 890, 1360, 1424, 1513, 1780, 2633, 2720, 2848, 3026, 3560, 5266, 6052, 7120, 7565, 10532, 12104, 13165, 14240, 15130, 21064, 24208, 26330, 30260, 42128, 44761, 48416, 52660, 60520, 84256, 89522, 105320, 121040, 179044, 210640, 223805, 234337, 242080, 358088, 421280, 447610, 468674, 716176, 895220, 937348, 1171685, 1432352, 1790440, 1874696, 2343370, 3580880, 3749392, 3983729, 4686740, 7161760, 7498784, 7967458, 9373480, 15934916, 18746960, 19918645, 31869832, 37493920, 39837290, 63739664, 79674580, 127479328, 159349160, 318698320, 637396640]

約数ペア:

[(1, 637396640), (2, 318698320), (4, 159349160), (5, 127479328), (8, 79674580), (10, 63739664), (16, 39837290), (17, 37493920), (20, 31869832), (32, 19918645), (34, 18746960), (40, 15934916), (68, 9373480), (80, 7967458), (85, 7498784), (89, 7161760), (136, 4686740), (160, 3983729), (170, 3749392), (178, 3580880), (272, 2343370), (340, 1874696), (356, 1790440), (445, 1432352), (544, 1171685), (680, 937348), (712, 895220), (890, 716176), (1360, 468674), (1424, 447610), (1513, 421280), (1780, 358088), (2633, 242080), (2720, 234337), (2848, 223805), (3026, 210640), (3560, 179044), (5266, 121040), (6052, 105320), (7120, 89522), (7565, 84256), (10532, 60520), (12104, 52660), (13165, 48416), (14240, 44761), (15130, 42128), (21064, 30260), (24208, 26330)]