1873917560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 4574707200

約数和(自身を除く): 2700789640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 83, 95, 122, 152, 166, 190, 244, 305, 332, 380, 415, 487, 488, 610, 664, 760, 830, 974, 1159, 1220, 1577, 1660, 1948, 2318, 2435, 2440, 3154, 3320, 3896, 4636, 4870, 5063, 5795, 6308, 7885, 9253, 9272, 9740, 10126, 11590, 12616, 15770, 18506, 19480, 20252, 23180, 25315, 29707, 31540, 37012, 40421, 40504, 46265, 46360, 50630, 59414, 63080, 74024, 80842, 92530, 96197, 101260, 118828, 148535, 161684, 185060, 192394, 202105, 202520, 237656, 297070, 323368, 370120, 384788, 404210, 480985, 564433, 594140, 767999, 769576, 808420, 961970, 1128866, 1188280, 1535998, 1616840, 1923940, 2257732, 2465681, 2822165, 3071996, 3839995, 3847880, 4515464, 4931362, 5644330, 6143992, 7679990, 9862724, 11288660, 12328405, 15359980, 19725448, 22577320, 24656810, 30719960, 46847939, 49313620, 93695878, 98627240, 187391756, 234239695, 374783512, 468479390, 936958780, 1873917560]

約数ペア:

[(1, 1873917560), (2, 936958780), (4, 468479390), (5, 374783512), (8, 234239695), (10, 187391756), (19, 98627240), (20, 93695878), (38, 49313620), (40, 46847939), (61, 30719960), (76, 24656810), (83, 22577320), (95, 19725448), (122, 15359980), (152, 12328405), (166, 11288660), (190, 9862724), (244, 7679990), (305, 6143992), (332, 5644330), (380, 4931362), (415, 4515464), (487, 3847880), (488, 3839995), (610, 3071996), (664, 2822165), (760, 2465681), (830, 2257732), (974, 1923940), (1159, 1616840), (1220, 1535998), (1577, 1188280), (1660, 1128866), (1948, 961970), (2318, 808420), (2435, 769576), (2440, 767999), (3154, 594140), (3320, 564433), (3896, 480985), (4636, 404210), (4870, 384788), (5063, 370120), (5795, 323368), (6308, 297070), (7885, 237656), (9253, 202520), (9272, 202105), (9740, 192394), (10126, 185060), (11590, 161684), (12616, 148535), (15770, 118828), (18506, 101260), (19480, 96197), (20252, 92530), (23180, 80842), (25315, 74024), (29707, 63080), (31540, 59414), (37012, 50630), (40421, 46360), (40504, 46265)]