64880456060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4001}}^1\times {\mathrm{16547}}^1$

素因数の和:20571

約数の個数: 72

約数和(自身を含む): 158542879824

約数和(自身を除く): 93662423764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4001, 8002, 16004, 16547, 20005, 28007, 33094, 40010, 56014, 66188, 80020, 82735, 112028, 115829, 140035, 165470, 196049, 231658, 280070, 330940, 392098, 463316, 560140, 579145, 784196, 810803, 980245, 1158290, 1621606, 1960490, 2316580, 3243212, 3920980, 4054015, 8108030, 16216060, 66204547, 132409094, 264818188, 331022735, 463431829, 662045470, 926863658, 1324090940, 1853727316, 2317159145, 3244022803, 4634318290, 6488045606, 9268636580, 12976091212, 16220114015, 32440228030, 64880456060]

約数ペア:

[(1, 64880456060), (2, 32440228030), (4, 16220114015), (5, 12976091212), (7, 9268636580), (10, 6488045606), (14, 4634318290), (20, 3244022803), (28, 2317159145), (35, 1853727316), (49, 1324090940), (70, 926863658), (98, 662045470), (140, 463431829), (196, 331022735), (245, 264818188), (490, 132409094), (980, 66204547), (4001, 16216060), (8002, 8108030), (16004, 4054015), (16547, 3920980), (20005, 3243212), (28007, 2316580), (33094, 1960490), (40010, 1621606), (56014, 1158290), (66188, 980245), (80020, 810803), (82735, 784196), (112028, 579145), (115829, 560140), (140035, 463316), (165470, 392098), (196049, 330940), (231658, 280070)]