316774120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 812528640

約数和(自身を除く): 495754520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 104, 124, 130, 155, 172, 215, 248, 260, 310, 344, 403, 430, 457, 520, 559, 620, 806, 860, 914, 1118, 1240, 1333, 1612, 1720, 1828, 2015, 2236, 2285, 2666, 2795, 3224, 3656, 4030, 4472, 4570, 5332, 5590, 5941, 6665, 8060, 9140, 10664, 11180, 11882, 13330, 14167, 16120, 17329, 18280, 19651, 22360, 23764, 26660, 28334, 29705, 34658, 39302, 47528, 53320, 56668, 59410, 69316, 70835, 78604, 86645, 98255, 113336, 118820, 138632, 141670, 157208, 173290, 184171, 196510, 237640, 255463, 283340, 346580, 368342, 393020, 510926, 566680, 609181, 693160, 736684, 786040, 920855, 1021852, 1218362, 1277315, 1473368, 1841710, 2043704, 2436724, 2554630, 3045905, 3683420, 4873448, 5109260, 6091810, 7366840, 7919353, 10218520, 12183620, 15838706, 24367240, 31677412, 39596765, 63354824, 79193530, 158387060, 316774120]

約数ペア:

[(1, 316774120), (2, 158387060), (4, 79193530), (5, 63354824), (8, 39596765), (10, 31677412), (13, 24367240), (20, 15838706), (26, 12183620), (31, 10218520), (40, 7919353), (43, 7366840), (52, 6091810), (62, 5109260), (65, 4873448), (86, 3683420), (104, 3045905), (124, 2554630), (130, 2436724), (155, 2043704), (172, 1841710), (215, 1473368), (248, 1277315), (260, 1218362), (310, 1021852), (344, 920855), (403, 786040), (430, 736684), (457, 693160), (520, 609181), (559, 566680), (620, 510926), (806, 393020), (860, 368342), (914, 346580), (1118, 283340), (1240, 255463), (1333, 237640), (1612, 196510), (1720, 184171), (1828, 173290), (2015, 157208), (2236, 141670), (2285, 138632), (2666, 118820), (2795, 113336), (3224, 98255), (3656, 86645), (4030, 78604), (4472, 70835), (4570, 69316), (5332, 59410), (5590, 56668), (5941, 53320), (6665, 47528), (8060, 39302), (9140, 34658), (10664, 29705), (11180, 28334), (11882, 26660), (13330, 23764), (14167, 22360), (16120, 19651), (17329, 18280)]