158741080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 370771200

約数和(自身を除く): 212030120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 313, 409, 620, 626, 818, 1240, 1252, 1565, 1636, 2045, 2504, 3130, 3272, 4090, 6260, 8180, 9703, 12520, 12679, 16360, 19406, 25358, 38812, 48515, 50716, 63395, 77624, 97030, 101432, 126790, 128017, 194060, 253580, 256034, 388120, 507160, 512068, 640085, 1024136, 1280170, 2560340, 3968527, 5120680, 7937054, 15874108, 19842635, 31748216, 39685270, 79370540, 158741080]

約数ペア:

[(1, 158741080), (2, 79370540), (4, 39685270), (5, 31748216), (8, 19842635), (10, 15874108), (20, 7937054), (31, 5120680), (40, 3968527), (62, 2560340), (124, 1280170), (155, 1024136), (248, 640085), (310, 512068), (313, 507160), (409, 388120), (620, 256034), (626, 253580), (818, 194060), (1240, 128017), (1252, 126790), (1565, 101432), (1636, 97030), (2045, 77624), (2504, 63395), (3130, 50716), (3272, 48515), (4090, 38812), (6260, 25358), (8180, 19406), (9703, 16360), (12520, 12679)]