161027640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 192

約数和(自身を含む): 553512960

約数和(自身を除く): 392485320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 47, 60, 62, 72, 90, 93, 94, 120, 124, 141, 155, 180, 186, 188, 235, 248, 279, 282, 307, 310, 360, 372, 376, 423, 465, 470, 558, 564, 614, 620, 705, 744, 846, 921, 930, 940, 1116, 1128, 1228, 1240, 1395, 1410, 1457, 1535, 1692, 1842, 1860, 1880, 2115, 2232, 2456, 2763, 2790, 2820, 2914, 3070, 3384, 3684, 3720, 4230, 4371, 4605, 5526, 5580, 5640, 5828, 6140, 7285, 7368, 8460, 8742, 9210, 9517, 11052, 11160, 11656, 12280, 13113, 13815, 14429, 14570, 16920, 17484, 18420, 19034, 21855, 22104, 26226, 27630, 28551, 28858, 29140, 34968, 36840, 38068, 43287, 43710, 47585, 52452, 55260, 57102, 57716, 58280, 65565, 72145, 76136, 85653, 86574, 87420, 95170, 104904, 110520, 114204, 115432, 129861, 131130, 142755, 144290, 171306, 173148, 174840, 190340, 216435, 228408, 259722, 262260, 285510, 288580, 342612, 346296, 380680, 428265, 432870, 447299, 519444, 524520, 571020, 577160, 649305, 685224, 856530, 865740, 894598, 1038888, 1142040, 1298610, 1341897, 1713060, 1731480, 1789196, 2236495, 2597220, 2683794, 3426120, 3578392, 4025691, 4472990, 5194440, 5367588, 6709485, 8051382, 8945980, 10735176, 13418970, 16102764, 17891960, 20128455, 26837940, 32205528, 40256910, 53675880, 80513820, 161027640]

約数ペア:

[(1, 161027640), (2, 80513820), (3, 53675880), (4, 40256910), (5, 32205528), (6, 26837940), (8, 20128455), (9, 17891960), (10, 16102764), (12, 13418970), (15, 10735176), (18, 8945980), (20, 8051382), (24, 6709485), (30, 5367588), (31, 5194440), (36, 4472990), (40, 4025691), (45, 3578392), (47, 3426120), (60, 2683794), (62, 2597220), (72, 2236495), (90, 1789196), (93, 1731480), (94, 1713060), (120, 1341897), (124, 1298610), (141, 1142040), (155, 1038888), (180, 894598), (186, 865740), (188, 856530), (235, 685224), (248, 649305), (279, 577160), (282, 571020), (307, 524520), (310, 519444), (360, 447299), (372, 432870), (376, 428265), (423, 380680), (465, 346296), (470, 342612), (558, 288580), (564, 285510), (614, 262260), (620, 259722), (705, 228408), (744, 216435), (846, 190340), (921, 174840), (930, 173148), (940, 171306), (1116, 144290), (1128, 142755), (1228, 131130), (1240, 129861), (1395, 115432), (1410, 114204), (1457, 110520), (1535, 104904), (1692, 95170), (1842, 87420), (1860, 86574), (1880, 85653), (2115, 76136), (2232, 72145), (2456, 65565), (2763, 58280), (2790, 57716), (2820, 57102), (2914, 55260), (3070, 52452), (3384, 47585), (3684, 43710), (3720, 43287), (4230, 38068), (4371, 36840), (4605, 34968), (5526, 29140), (5580, 28858), (5640, 28551), (5828, 27630), (6140, 26226), (7285, 22104), (7368, 21855), (8460, 19034), (8742, 18420), (9210, 17484), (9517, 16920), (11052, 14570), (11160, 14429), (11656, 13815), (12280, 13113)]