128460900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:794

約数の個数: 144

約数和(自身を含む): 404418560

約数和(自身を除く): 275957660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 31, 38, 50, 57, 60, 62, 75, 76, 93, 95, 100, 114, 124, 150, 155, 186, 190, 228, 285, 300, 310, 372, 380, 465, 475, 570, 589, 620, 727, 775, 930, 950, 1140, 1178, 1425, 1454, 1550, 1767, 1860, 1900, 2181, 2325, 2356, 2850, 2908, 2945, 3100, 3534, 3635, 4362, 4650, 5700, 5890, 7068, 7270, 8724, 8835, 9300, 10905, 11780, 13813, 14540, 14725, 17670, 18175, 21810, 22537, 27626, 29450, 35340, 36350, 41439, 43620, 44175, 45074, 54525, 55252, 58900, 67611, 69065, 72700, 82878, 88350, 90148, 109050, 112685, 135222, 138130, 165756, 176700, 207195, 218100, 225370, 270444, 276260, 338055, 345325, 414390, 428203, 450740, 563425, 676110, 690650, 828780, 856406, 1035975, 1126850, 1284609, 1352220, 1381300, 1690275, 1712812, 2071950, 2141015, 2253700, 2569218, 3380550, 4143900, 4282030, 5138436, 6423045, 6761100, 8564060, 10705075, 12846090, 21410150, 25692180, 32115225, 42820300, 64230450, 128460900]

約数ペア:

[(1, 128460900), (2, 64230450), (3, 42820300), (4, 32115225), (5, 25692180), (6, 21410150), (10, 12846090), (12, 10705075), (15, 8564060), (19, 6761100), (20, 6423045), (25, 5138436), (30, 4282030), (31, 4143900), (38, 3380550), (50, 2569218), (57, 2253700), (60, 2141015), (62, 2071950), (75, 1712812), (76, 1690275), (93, 1381300), (95, 1352220), (100, 1284609), (114, 1126850), (124, 1035975), (150, 856406), (155, 828780), (186, 690650), (190, 676110), (228, 563425), (285, 450740), (300, 428203), (310, 414390), (372, 345325), (380, 338055), (465, 276260), (475, 270444), (570, 225370), (589, 218100), (620, 207195), (727, 176700), (775, 165756), (930, 138130), (950, 135222), (1140, 112685), (1178, 109050), (1425, 90148), (1454, 88350), (1550, 82878), (1767, 72700), (1860, 69065), (1900, 67611), (2181, 58900), (2325, 55252), (2356, 54525), (2850, 45074), (2908, 44175), (2945, 43620), (3100, 41439), (3534, 36350), (3635, 35340), (4362, 29450), (4650, 27626), (5700, 22537), (5890, 21810), (7068, 18175), (7270, 17670), (8724, 14725), (8835, 14540), (9300, 13813), (10905, 11780)]