1995440520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{727}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 6085497600

約数和(自身を除く): 4090057080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 257, 267, 356, 445, 514, 534, 712, 727, 771, 890, 1028, 1068, 1285, 1335, 1454, 1542, 1780, 2056, 2136, 2181, 2570, 2670, 2908, 3084, 3560, 3635, 3855, 4362, 5140, 5340, 5816, 6168, 7270, 7710, 8724, 10280, 10680, 10905, 14540, 15420, 17448, 21810, 22873, 29080, 30840, 43620, 45746, 64703, 68619, 87240, 91492, 114365, 129406, 137238, 182984, 186839, 194109, 228730, 258812, 274476, 323515, 343095, 373678, 388218, 457460, 517624, 548952, 560517, 647030, 686190, 747356, 776436, 914920, 934195, 970545, 1121034, 1294060, 1372380, 1494712, 1552872, 1868390, 1941090, 2242068, 2588120, 2744760, 2802585, 3736780, 3882180, 4484136, 5605170, 7473560, 7764360, 11210340, 16628671, 22420680, 33257342, 49886013, 66514684, 83143355, 99772026, 133029368, 166286710, 199544052, 249430065, 332573420, 399088104, 498860130, 665146840, 997720260, 1995440520]

約数ペア:

[(1, 1995440520), (2, 997720260), (3, 665146840), (4, 498860130), (5, 399088104), (6, 332573420), (8, 249430065), (10, 199544052), (12, 166286710), (15, 133029368), (20, 99772026), (24, 83143355), (30, 66514684), (40, 49886013), (60, 33257342), (89, 22420680), (120, 16628671), (178, 11210340), (257, 7764360), (267, 7473560), (356, 5605170), (445, 4484136), (514, 3882180), (534, 3736780), (712, 2802585), (727, 2744760), (771, 2588120), (890, 2242068), (1028, 1941090), (1068, 1868390), (1285, 1552872), (1335, 1494712), (1454, 1372380), (1542, 1294060), (1780, 1121034), (2056, 970545), (2136, 934195), (2181, 914920), (2570, 776436), (2670, 747356), (2908, 686190), (3084, 647030), (3560, 560517), (3635, 548952), (3855, 517624), (4362, 457460), (5140, 388218), (5340, 373678), (5816, 343095), (6168, 323515), (7270, 274476), (7710, 258812), (8724, 228730), (10280, 194109), (10680, 186839), (10905, 182984), (14540, 137238), (15420, 129406), (17448, 114365), (21810, 91492), (22873, 87240), (29080, 68619), (30840, 64703), (43620, 45746)]