215314840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 583752960

約数和(自身を除く): 368438120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 37, 38, 40, 52, 62, 65, 74, 76, 95, 104, 124, 130, 148, 152, 155, 185, 190, 247, 248, 260, 296, 310, 361, 370, 380, 403, 481, 494, 520, 589, 620, 703, 722, 740, 760, 806, 962, 988, 1147, 1178, 1235, 1240, 1406, 1444, 1480, 1612, 1805, 1924, 1976, 2015, 2294, 2356, 2405, 2470, 2812, 2888, 2945, 3224, 3515, 3610, 3848, 4030, 4588, 4693, 4712, 4810, 4940, 5624, 5735, 5890, 7030, 7220, 7657, 8060, 9139, 9176, 9386, 9620, 9880, 11191, 11470, 11780, 13357, 14060, 14440, 14911, 15314, 16120, 18278, 18772, 19240, 21793, 22382, 22940, 23465, 23560, 26714, 28120, 29822, 30628, 36556, 37544, 38285, 43586, 44764, 45695, 45880, 46930, 53428, 55955, 59644, 61256, 66785, 73112, 74555, 76570, 87172, 89528, 91390, 93860, 106856, 108965, 111910, 119288, 133570, 145483, 149110, 153140, 173641, 174344, 182780, 187720, 217930, 223820, 267140, 283309, 290966, 298220, 306280, 347282, 365560, 414067, 435860, 447640, 534280, 566618, 581932, 596440, 694564, 727415, 828134, 868205, 871720, 1133236, 1163864, 1389128, 1416545, 1454830, 1656268, 1736410, 2070335, 2266472, 2833090, 2909660, 3312536, 3472820, 4140670, 5382871, 5666180, 5819320, 6945640, 8281340, 10765742, 11332360, 16562680, 21531484, 26914355, 43062968, 53828710, 107657420, 215314840]

約数ペア:

[(1, 215314840), (2, 107657420), (4, 53828710), (5, 43062968), (8, 26914355), (10, 21531484), (13, 16562680), (19, 11332360), (20, 10765742), (26, 8281340), (31, 6945640), (37, 5819320), (38, 5666180), (40, 5382871), (52, 4140670), (62, 3472820), (65, 3312536), (74, 2909660), (76, 2833090), (95, 2266472), (104, 2070335), (124, 1736410), (130, 1656268), (148, 1454830), (152, 1416545), (155, 1389128), (185, 1163864), (190, 1133236), (247, 871720), (248, 868205), (260, 828134), (296, 727415), (310, 694564), (361, 596440), (370, 581932), (380, 566618), (403, 534280), (481, 447640), (494, 435860), (520, 414067), (589, 365560), (620, 347282), (703, 306280), (722, 298220), (740, 290966), (760, 283309), (806, 267140), (962, 223820), (988, 217930), (1147, 187720), (1178, 182780), (1235, 174344), (1240, 173641), (1406, 153140), (1444, 149110), (1480, 145483), (1612, 133570), (1805, 119288), (1924, 111910), (1976, 108965), (2015, 106856), (2294, 93860), (2356, 91390), (2405, 89528), (2470, 87172), (2812, 76570), (2888, 74555), (2945, 73112), (3224, 66785), (3515, 61256), (3610, 59644), (3848, 55955), (4030, 53428), (4588, 46930), (4693, 45880), (4712, 45695), (4810, 44764), (4940, 43586), (5624, 38285), (5735, 37544), (5890, 36556), (7030, 30628), (7220, 29822), (7657, 28120), (8060, 26714), (9139, 23560), (9176, 23465), (9386, 22940), (9620, 22382), (9880, 21793), (11191, 19240), (11470, 18772), (11780, 18278), (13357, 16120), (14060, 15314), (14440, 14911)]