2017995880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:547

約数の個数: 128

約数和(自身を含む): 4933872000

約数和(自身を除く): 2915876120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 179, 236, 281, 295, 340, 358, 472, 562, 590, 680, 716, 895, 1003, 1124, 1180, 1405, 1432, 1790, 2006, 2248, 2360, 2810, 3043, 3580, 4012, 4777, 5015, 5620, 6086, 7160, 8024, 9554, 10030, 10561, 11240, 12172, 15215, 16579, 19108, 20060, 21122, 23885, 24344, 30430, 33158, 38216, 40120, 42244, 47770, 50299, 52805, 60860, 66316, 82895, 84488, 95540, 100598, 105610, 121720, 132632, 165790, 179537, 191080, 201196, 211220, 251495, 281843, 331580, 359074, 402392, 422440, 502990, 563686, 663160, 718148, 855083, 897685, 1005980, 1127372, 1409215, 1436296, 1710166, 1795370, 2011960, 2254744, 2818430, 2967641, 3420332, 3590740, 4275415, 5636860, 5935282, 6840664, 7181480, 8550830, 11273720, 11870564, 14838205, 17101660, 23741128, 29676410, 34203320, 50449897, 59352820, 100899794, 118705640, 201799588, 252249485, 403599176, 504498970, 1008997940, 2017995880]

約数ペア:

[(1, 2017995880), (2, 1008997940), (4, 504498970), (5, 403599176), (8, 252249485), (10, 201799588), (17, 118705640), (20, 100899794), (34, 59352820), (40, 50449897), (59, 34203320), (68, 29676410), (85, 23741128), (118, 17101660), (136, 14838205), (170, 11870564), (179, 11273720), (236, 8550830), (281, 7181480), (295, 6840664), (340, 5935282), (358, 5636860), (472, 4275415), (562, 3590740), (590, 3420332), (680, 2967641), (716, 2818430), (895, 2254744), (1003, 2011960), (1124, 1795370), (1180, 1710166), (1405, 1436296), (1432, 1409215), (1790, 1127372), (2006, 1005980), (2248, 897685), (2360, 855083), (2810, 718148), (3043, 663160), (3580, 563686), (4012, 502990), (4777, 422440), (5015, 402392), (5620, 359074), (6086, 331580), (7160, 281843), (8024, 251495), (9554, 211220), (10030, 201196), (10561, 191080), (11240, 179537), (12172, 165790), (15215, 132632), (16579, 121720), (19108, 105610), (20060, 100598), (21122, 95540), (23885, 84488), (24344, 82895), (30430, 66316), (33158, 60860), (38216, 52805), (40120, 50299), (42244, 47770)]