391150920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:595

約数の個数: 128

約数和(自身を含む): 1207664640

約数和(自身を除く): 816513720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 223, 235, 282, 311, 376, 446, 470, 564, 622, 669, 705, 892, 933, 940, 1115, 1128, 1244, 1338, 1410, 1555, 1784, 1866, 1880, 2230, 2488, 2676, 2820, 3110, 3345, 3732, 4460, 4665, 5352, 5640, 6220, 6690, 7464, 8920, 9330, 10481, 12440, 13380, 14617, 18660, 20962, 26760, 29234, 31443, 37320, 41924, 43851, 52405, 58468, 62886, 69353, 73085, 83848, 87702, 104810, 116936, 125772, 138706, 146170, 157215, 175404, 208059, 209620, 219255, 251544, 277412, 292340, 314430, 346765, 350808, 416118, 419240, 438510, 554824, 584680, 628860, 693530, 832236, 877020, 1040295, 1257720, 1387060, 1664472, 1754040, 2080590, 2774120, 3259591, 4161180, 6519182, 8322360, 9778773, 13038364, 16297955, 19557546, 26076728, 32595910, 39115092, 48893865, 65191820, 78230184, 97787730, 130383640, 195575460, 391150920]

約数ペア:

[(1, 391150920), (2, 195575460), (3, 130383640), (4, 97787730), (5, 78230184), (6, 65191820), (8, 48893865), (10, 39115092), (12, 32595910), (15, 26076728), (20, 19557546), (24, 16297955), (30, 13038364), (40, 9778773), (47, 8322360), (60, 6519182), (94, 4161180), (120, 3259591), (141, 2774120), (188, 2080590), (223, 1754040), (235, 1664472), (282, 1387060), (311, 1257720), (376, 1040295), (446, 877020), (470, 832236), (564, 693530), (622, 628860), (669, 584680), (705, 554824), (892, 438510), (933, 419240), (940, 416118), (1115, 350808), (1128, 346765), (1244, 314430), (1338, 292340), (1410, 277412), (1555, 251544), (1784, 219255), (1866, 209620), (1880, 208059), (2230, 175404), (2488, 157215), (2676, 146170), (2820, 138706), (3110, 125772), (3345, 116936), (3732, 104810), (4460, 87702), (4665, 83848), (5352, 73085), (5640, 69353), (6220, 62886), (6690, 58468), (7464, 52405), (8920, 43851), (9330, 41924), (10481, 37320), (12440, 31443), (13380, 29234), (14617, 26760), (18660, 20962)]