308888960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15569}}^1$

素因数の和:15619

約数の個数: 64

約数和(自身を含む): 762307200

約数和(自身を除く): 453418240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 15569, 19840, 31138, 62276, 77845, 124552, 155690, 249104, 311380, 482639, 498208, 622760, 965278, 996416, 1245520, 1930556, 1992832, 2413195, 2491040, 3861112, 4826390, 4982080, 7722224, 9652780, 9964160, 15444448, 19305560, 30888896, 38611120, 61777792, 77222240, 154444480, 308888960]

約数ペア:

[(1, 308888960), (2, 154444480), (4, 77222240), (5, 61777792), (8, 38611120), (10, 30888896), (16, 19305560), (20, 15444448), (31, 9964160), (32, 9652780), (40, 7722224), (62, 4982080), (64, 4826390), (80, 3861112), (124, 2491040), (128, 2413195), (155, 1992832), (160, 1930556), (248, 1245520), (310, 996416), (320, 965278), (496, 622760), (620, 498208), (640, 482639), (992, 311380), (1240, 249104), (1984, 155690), (2480, 124552), (3968, 77845), (4960, 62276), (9920, 31138), (15569, 19840)]