20070030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 35917170

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 29, 30, 34, 46, 51, 58, 59, 69, 85, 87, 102, 115, 118, 138, 145, 170, 174, 177, 230, 255, 290, 295, 345, 354, 391, 435, 493, 510, 590, 667, 690, 782, 870, 885, 986, 1003, 1173, 1334, 1357, 1479, 1711, 1770, 1955, 2001, 2006, 2346, 2465, 2714, 2958, 3009, 3335, 3422, 3910, 4002, 4071, 4930, 5015, 5133, 5865, 6018, 6670, 6785, 7395, 8142, 8555, 10005, 10030, 10266, 11339, 11730, 13570, 14790, 15045, 17110, 20010, 20355, 22678, 23069, 25665, 29087, 30090, 34017, 39353, 40710, 46138, 51330, 56695, 58174, 68034, 69207, 78706, 87261, 113390, 115345, 118059, 138414, 145435, 170085, 174522, 196765, 230690, 236118, 290870, 340170, 346035, 393530, 436305, 590295, 669001, 692070, 872610, 1180590, 1338002, 2007003, 3345005, 4014006, 6690010, 10035015, 20070030]

約数ペア:

[(1, 20070030), (2, 10035015), (3, 6690010), (5, 4014006), (6, 3345005), (10, 2007003), (15, 1338002), (17, 1180590), (23, 872610), (29, 692070), (30, 669001), (34, 590295), (46, 436305), (51, 393530), (58, 346035), (59, 340170), (69, 290870), (85, 236118), (87, 230690), (102, 196765), (115, 174522), (118, 170085), (138, 145435), (145, 138414), (170, 118059), (174, 115345), (177, 113390), (230, 87261), (255, 78706), (290, 69207), (295, 68034), (345, 58174), (354, 56695), (391, 51330), (435, 46138), (493, 40710), (510, 39353), (590, 34017), (667, 30090), (690, 29087), (782, 25665), (870, 23069), (885, 22678), (986, 20355), (1003, 20010), (1173, 17110), (1334, 15045), (1357, 14790), (1479, 13570), (1711, 11730), (1770, 11339), (1955, 10266), (2001, 10030), (2006, 10005), (2346, 8555), (2465, 8142), (2714, 7395), (2958, 6785), (3009, 6670), (3335, 6018), (3422, 5865), (3910, 5133), (4002, 5015), (4071, 4930)]