16403358140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^2$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 40257979776

約数和(自身を除く): 23854621636

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 47, 52, 65, 68, 85, 94, 130, 170, 188, 221, 235, 260, 281, 340, 442, 470, 562, 611, 799, 884, 940, 1105, 1124, 1222, 1405, 1598, 2210, 2444, 2810, 3055, 3196, 3653, 3995, 4420, 4777, 5620, 6110, 7306, 7990, 9554, 10387, 12220, 13207, 14612, 15980, 18265, 19108, 20774, 23885, 26414, 36530, 41548, 47770, 51935, 52828, 62101, 66035, 73060, 78961, 95540, 103870, 124202, 132070, 157922, 171691, 207740, 224519, 248404, 264140, 310505, 315844, 343382, 394805, 449038, 621010, 686764, 789610, 858455, 898076, 1026493, 1122595, 1242020, 1342337, 1579220, 1716910, 2052986, 2245190, 2684674, 2918747, 3433820, 3711167, 4105972, 4490380, 5132465, 5369348, 5837494, 6711685, 7422334, 10264930, 11674988, 13423370, 14593735, 14844668, 17450381, 18555835, 20529860, 26846740, 29187470, 34900762, 37111670, 48245171, 58374940, 63089839, 69801524, 74223340, 87251905, 96490342, 126179678, 174503810, 192980684, 241225855, 252359356, 315449195, 349007620, 482451710, 630898390, 820167907, 964903420, 1261796780, 1640335814, 3280671628, 4100839535, 8201679070, 16403358140]

約数ペア:

[(1, 16403358140), (2, 8201679070), (4, 4100839535), (5, 3280671628), (10, 1640335814), (13, 1261796780), (17, 964903420), (20, 820167907), (26, 630898390), (34, 482451710), (47, 349007620), (52, 315449195), (65, 252359356), (68, 241225855), (85, 192980684), (94, 174503810), (130, 126179678), (170, 96490342), (188, 87251905), (221, 74223340), (235, 69801524), (260, 63089839), (281, 58374940), (340, 48245171), (442, 37111670), (470, 34900762), (562, 29187470), (611, 26846740), (799, 20529860), (884, 18555835), (940, 17450381), (1105, 14844668), (1124, 14593735), (1222, 13423370), (1405, 11674988), (1598, 10264930), (2210, 7422334), (2444, 6711685), (2810, 5837494), (3055, 5369348), (3196, 5132465), (3653, 4490380), (3995, 4105972), (4420, 3711167), (4777, 3433820), (5620, 2918747), (6110, 2684674), (7306, 2245190), (7990, 2052986), (9554, 1716910), (10387, 1579220), (12220, 1342337), (13207, 1242020), (14612, 1122595), (15980, 1026493), (18265, 898076), (19108, 858455), (20774, 789610), (23885, 686764), (26414, 621010), (36530, 449038), (41548, 394805), (47770, 343382), (51935, 315844), (52828, 310505), (62101, 264140), (66035, 248404), (73060, 224519), (78961, 207740), (95540, 171691), (103870, 157922), (124202, 132070)]