1900789020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9127}}^1$

素因数の和:9244

約数の個数: 144

約数和(自身を含む): 6279698880

約数和(自身を除く): 4378909860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 89, 90, 117, 130, 156, 178, 180, 195, 234, 260, 267, 356, 390, 445, 468, 534, 585, 780, 801, 890, 1068, 1157, 1170, 1335, 1602, 1780, 2314, 2340, 2670, 3204, 3471, 4005, 4628, 5340, 5785, 6942, 8010, 9127, 10413, 11570, 13884, 16020, 17355, 18254, 20826, 23140, 27381, 34710, 36508, 41652, 45635, 52065, 54762, 69420, 82143, 91270, 104130, 109524, 118651, 136905, 164286, 182540, 208260, 237302, 273810, 328572, 355953, 410715, 474604, 547620, 593255, 711906, 812303, 821430, 1067859, 1186510, 1423812, 1624606, 1642860, 1779765, 2135718, 2373020, 2436909, 3249212, 3559530, 4061515, 4271436, 4873818, 5339295, 7119060, 7310727, 8123030, 9747636, 10559939, 10678590, 12184545, 14621454, 16246060, 21119878, 21357180, 24369090, 29242908, 31679817, 36553635, 42239756, 48738180, 52799695, 63359634, 73107270, 95039451, 105599390, 126719268, 146214540, 158399085, 190078902, 211198780, 316798170, 380157804, 475197255, 633596340, 950394510, 1900789020]

約数ペア:

[(1, 1900789020), (2, 950394510), (3, 633596340), (4, 475197255), (5, 380157804), (6, 316798170), (9, 211198780), (10, 190078902), (12, 158399085), (13, 146214540), (15, 126719268), (18, 105599390), (20, 95039451), (26, 73107270), (30, 63359634), (36, 52799695), (39, 48738180), (45, 42239756), (52, 36553635), (60, 31679817), (65, 29242908), (78, 24369090), (89, 21357180), (90, 21119878), (117, 16246060), (130, 14621454), (156, 12184545), (178, 10678590), (180, 10559939), (195, 9747636), (234, 8123030), (260, 7310727), (267, 7119060), (356, 5339295), (390, 4873818), (445, 4271436), (468, 4061515), (534, 3559530), (585, 3249212), (780, 2436909), (801, 2373020), (890, 2135718), (1068, 1779765), (1157, 1642860), (1170, 1624606), (1335, 1423812), (1602, 1186510), (1780, 1067859), (2314, 821430), (2340, 812303), (2670, 711906), (3204, 593255), (3471, 547620), (4005, 474604), (4628, 410715), (5340, 355953), (5785, 328572), (6942, 273810), (8010, 237302), (9127, 208260), (10413, 182540), (11570, 164286), (13884, 136905), (16020, 118651), (17355, 109524), (18254, 104130), (20826, 91270), (23140, 82143), (27381, 69420), (34710, 54762), (36508, 52065), (41652, 45635)]