246281360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7639}}^1$

素因数の和:7696

約数の個数: 80

約数和(自身を含む): 636625920

約数和(自身を除く): 390344560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 7639, 8060, 15278, 16120, 30556, 32240, 38195, 61112, 76390, 99307, 122224, 152780, 198614, 236809, 305560, 397228, 473618, 496535, 611120, 794456, 947236, 993070, 1184045, 1588912, 1894472, 1986140, 2368090, 3078517, 3788944, 3972280, 4736180, 6157034, 7944560, 9472360, 12314068, 15392585, 18944720, 24628136, 30785170, 49256272, 61570340, 123140680, 246281360]

約数ペア:

[(1, 246281360), (2, 123140680), (4, 61570340), (5, 49256272), (8, 30785170), (10, 24628136), (13, 18944720), (16, 15392585), (20, 12314068), (26, 9472360), (31, 7944560), (40, 6157034), (52, 4736180), (62, 3972280), (65, 3788944), (80, 3078517), (104, 2368090), (124, 1986140), (130, 1894472), (155, 1588912), (208, 1184045), (248, 993070), (260, 947236), (310, 794456), (403, 611120), (496, 496535), (520, 473618), (620, 397228), (806, 305560), (1040, 236809), (1240, 198614), (1612, 152780), (2015, 122224), (2480, 99307), (3224, 76390), (4030, 61112), (6448, 38195), (7639, 32240), (8060, 30556), (15278, 16120)]