79872120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 192

約数和(自身を含む): 284394240

約数和(自身を除く): 204522120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 306, 310, 340, 360, 372, 408, 421, 465, 510, 527, 558, 612, 620, 680, 744, 765, 842, 930, 1020, 1054, 1116, 1224, 1240, 1263, 1395, 1530, 1581, 1684, 1860, 2040, 2105, 2108, 2232, 2526, 2635, 2790, 3060, 3162, 3368, 3720, 3789, 4210, 4216, 4743, 5052, 5270, 5580, 6120, 6315, 6324, 7157, 7578, 7905, 8420, 9486, 10104, 10540, 11160, 12630, 12648, 13051, 14314, 15156, 15810, 16840, 18945, 18972, 21080, 21471, 23715, 25260, 26102, 28628, 30312, 31620, 35785, 37890, 37944, 39153, 42942, 47430, 50520, 52204, 57256, 63240, 64413, 65255, 71570, 75780, 78306, 85884, 94860, 104408, 107355, 117459, 128826, 130510, 143140, 151560, 156612, 171768, 189720, 195765, 214710, 221867, 234918, 257652, 261020, 286280, 313224, 322065, 391530, 429420, 443734, 469836, 515304, 522040, 587295, 644130, 665601, 783060, 858840, 887468, 939672, 1109335, 1174590, 1288260, 1331202, 1566120, 1774936, 1996803, 2218670, 2349180, 2576520, 2662404, 3328005, 3993606, 4437340, 4698360, 5324808, 6656010, 7987212, 8874680, 9984015, 13312020, 15974424, 19968030, 26624040, 39936060, 79872120]

約数ペア:

[(1, 79872120), (2, 39936060), (3, 26624040), (4, 19968030), (5, 15974424), (6, 13312020), (8, 9984015), (9, 8874680), (10, 7987212), (12, 6656010), (15, 5324808), (17, 4698360), (18, 4437340), (20, 3993606), (24, 3328005), (30, 2662404), (31, 2576520), (34, 2349180), (36, 2218670), (40, 1996803), (45, 1774936), (51, 1566120), (60, 1331202), (62, 1288260), (68, 1174590), (72, 1109335), (85, 939672), (90, 887468), (93, 858840), (102, 783060), (120, 665601), (124, 644130), (136, 587295), (153, 522040), (155, 515304), (170, 469836), (180, 443734), (186, 429420), (204, 391530), (248, 322065), (255, 313224), (279, 286280), (306, 261020), (310, 257652), (340, 234918), (360, 221867), (372, 214710), (408, 195765), (421, 189720), (465, 171768), (510, 156612), (527, 151560), (558, 143140), (612, 130510), (620, 128826), (680, 117459), (744, 107355), (765, 104408), (842, 94860), (930, 85884), (1020, 78306), (1054, 75780), (1116, 71570), (1224, 65255), (1240, 64413), (1263, 63240), (1395, 57256), (1530, 52204), (1581, 50520), (1684, 47430), (1860, 42942), (2040, 39153), (2105, 37944), (2108, 37890), (2232, 35785), (2526, 31620), (2635, 30312), (2790, 28628), (3060, 26102), (3162, 25260), (3368, 23715), (3720, 21471), (3789, 21080), (4210, 18972), (4216, 18945), (4743, 16840), (5052, 15810), (5270, 15156), (5580, 14314), (6120, 13051), (6315, 12648), (6324, 12630), (7157, 11160), (7578, 10540), (7905, 10104), (8420, 9486)]