646137960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 192

約数和(自身を含む): 2162039040

約数和(自身を除く): 1515901080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 431, 465, 520, 620, 744, 780, 806, 862, 930, 961, 1209, 1240, 1293, 1560, 1612, 1724, 1860, 1922, 2015, 2155, 2418, 2586, 2883, 3224, 3448, 3720, 3844, 4030, 4310, 4805, 4836, 5172, 5603, 5766, 6045, 6465, 7688, 8060, 8620, 9610, 9672, 10344, 11206, 11532, 12090, 12493, 12930, 13361, 14415, 16120, 16809, 17240, 19220, 22412, 23064, 24180, 24986, 25860, 26722, 28015, 28830, 33618, 37479, 38440, 40083, 44824, 48360, 49972, 51720, 53444, 56030, 57660, 62465, 66805, 67236, 74958, 80166, 84045, 99944, 106888, 112060, 115320, 124930, 133610, 134472, 149916, 160332, 168090, 173693, 187395, 200415, 224120, 249860, 267220, 299832, 320664, 336180, 347386, 374790, 400830, 414191, 499720, 521079, 534440, 672360, 694772, 749580, 801660, 828382, 868465, 1042158, 1242573, 1389544, 1499160, 1603320, 1656764, 1736930, 2070955, 2084316, 2485146, 2605395, 3313528, 3473860, 4141910, 4168632, 4970292, 5210790, 5384483, 6212865, 6947720, 8283820, 9940584, 10421580, 10768966, 12425730, 16153449, 16567640, 20843160, 21537932, 24851460, 26922415, 32306898, 43075864, 49702920, 53844830, 64613796, 80767245, 107689660, 129227592, 161534490, 215379320, 323068980, 646137960]

約数ペア:

[(1, 646137960), (2, 323068980), (3, 215379320), (4, 161534490), (5, 129227592), (6, 107689660), (8, 80767245), (10, 64613796), (12, 53844830), (13, 49702920), (15, 43075864), (20, 32306898), (24, 26922415), (26, 24851460), (30, 21537932), (31, 20843160), (39, 16567640), (40, 16153449), (52, 12425730), (60, 10768966), (62, 10421580), (65, 9940584), (78, 8283820), (93, 6947720), (104, 6212865), (120, 5384483), (124, 5210790), (130, 4970292), (155, 4168632), (156, 4141910), (186, 3473860), (195, 3313528), (248, 2605395), (260, 2485146), (310, 2084316), (312, 2070955), (372, 1736930), (390, 1656764), (403, 1603320), (431, 1499160), (465, 1389544), (520, 1242573), (620, 1042158), (744, 868465), (780, 828382), (806, 801660), (862, 749580), (930, 694772), (961, 672360), (1209, 534440), (1240, 521079), (1293, 499720), (1560, 414191), (1612, 400830), (1724, 374790), (1860, 347386), (1922, 336180), (2015, 320664), (2155, 299832), (2418, 267220), (2586, 249860), (2883, 224120), (3224, 200415), (3448, 187395), (3720, 173693), (3844, 168090), (4030, 160332), (4310, 149916), (4805, 134472), (4836, 133610), (5172, 124930), (5603, 115320), (5766, 112060), (6045, 106888), (6465, 99944), (7688, 84045), (8060, 80166), (8620, 74958), (9610, 67236), (9672, 66805), (10344, 62465), (11206, 57660), (11532, 56030), (12090, 53444), (12493, 51720), (12930, 49972), (13361, 48360), (14415, 44824), (16120, 40083), (16809, 38440), (17240, 37479), (19220, 33618), (22412, 28830), (23064, 28015), (24180, 26722), (24986, 25860)]