204919020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:600

約数の個数: 144

約数和(自身を含む): 663743808

約数和(自身を除く): 458824788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 167, 170, 180, 204, 255, 306, 334, 340, 401, 501, 510, 612, 668, 765, 802, 835, 1002, 1020, 1203, 1503, 1530, 1604, 1670, 2004, 2005, 2406, 2505, 2839, 3006, 3060, 3340, 3609, 4010, 4812, 5010, 5678, 6012, 6015, 6817, 7218, 7515, 8020, 8517, 10020, 11356, 12030, 13634, 14195, 14436, 15030, 17034, 18045, 20451, 24060, 25551, 27268, 28390, 30060, 34068, 34085, 36090, 40902, 42585, 51102, 56780, 61353, 66967, 68170, 72180, 81804, 85170, 102204, 102255, 122706, 127755, 133934, 136340, 170340, 200901, 204510, 245412, 255510, 267868, 306765, 334835, 401802, 409020, 511020, 602703, 613530, 669670, 803604, 1004505, 1138439, 1205406, 1227060, 1339340, 2009010, 2276878, 2410812, 3013515, 3415317, 4018020, 4553756, 5692195, 6027030, 6830634, 10245951, 11384390, 12054060, 13661268, 17076585, 20491902, 22768780, 34153170, 40983804, 51229755, 68306340, 102459510, 204919020]

約数ペア:

[(1, 204919020), (2, 102459510), (3, 68306340), (4, 51229755), (5, 40983804), (6, 34153170), (9, 22768780), (10, 20491902), (12, 17076585), (15, 13661268), (17, 12054060), (18, 11384390), (20, 10245951), (30, 6830634), (34, 6027030), (36, 5692195), (45, 4553756), (51, 4018020), (60, 3415317), (68, 3013515), (85, 2410812), (90, 2276878), (102, 2009010), (153, 1339340), (167, 1227060), (170, 1205406), (180, 1138439), (204, 1004505), (255, 803604), (306, 669670), (334, 613530), (340, 602703), (401, 511020), (501, 409020), (510, 401802), (612, 334835), (668, 306765), (765, 267868), (802, 255510), (835, 245412), (1002, 204510), (1020, 200901), (1203, 170340), (1503, 136340), (1530, 133934), (1604, 127755), (1670, 122706), (2004, 102255), (2005, 102204), (2406, 85170), (2505, 81804), (2839, 72180), (3006, 68170), (3060, 66967), (3340, 61353), (3609, 56780), (4010, 51102), (4812, 42585), (5010, 40902), (5678, 36090), (6012, 34085), (6015, 34068), (6817, 30060), (7218, 28390), (7515, 27268), (8020, 25551), (8517, 24060), (10020, 20451), (11356, 18045), (12030, 17034), (13634, 15030), (14195, 14436)]