661956640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3607}}^1$

素因数の和:3690

約数の個数: 96

約数和(自身を含む): 1658409984

約数和(自身を除く): 996453344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 370, 496, 592, 620, 740, 992, 1147, 1184, 1240, 1480, 2294, 2480, 2960, 3607, 4588, 4960, 5735, 5920, 7214, 9176, 11470, 14428, 18035, 18352, 22940, 28856, 36070, 36704, 45880, 57712, 72140, 91760, 111817, 115424, 133459, 144280, 183520, 223634, 266918, 288560, 447268, 533836, 559085, 577120, 667295, 894536, 1067672, 1118170, 1334590, 1789072, 2135344, 2236340, 2669180, 3578144, 4137229, 4270688, 4472680, 5338360, 8274458, 8945360, 10676720, 16548916, 17890720, 20686145, 21353440, 33097832, 41372290, 66195664, 82744580, 132391328, 165489160, 330978320, 661956640]

約数ペア:

[(1, 661956640), (2, 330978320), (4, 165489160), (5, 132391328), (8, 82744580), (10, 66195664), (16, 41372290), (20, 33097832), (31, 21353440), (32, 20686145), (37, 17890720), (40, 16548916), (62, 10676720), (74, 8945360), (80, 8274458), (124, 5338360), (148, 4472680), (155, 4270688), (160, 4137229), (185, 3578144), (248, 2669180), (296, 2236340), (310, 2135344), (370, 1789072), (496, 1334590), (592, 1118170), (620, 1067672), (740, 894536), (992, 667295), (1147, 577120), (1184, 559085), (1240, 533836), (1480, 447268), (2294, 288560), (2480, 266918), (2960, 223634), (3607, 183520), (4588, 144280), (4960, 133459), (5735, 115424), (5920, 111817), (7214, 91760), (9176, 72140), (11470, 57712), (14428, 45880), (18035, 36704), (18352, 36070), (22940, 28856)]