2013871720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1747}}^1$

素因数の和:1967

約数の個数: 128

約数和(自身を含む): 5436979200

約数和(自身を除く): 3423107480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 179, 184, 230, 280, 322, 358, 460, 644, 716, 805, 895, 920, 1253, 1288, 1432, 1610, 1747, 1790, 2506, 3220, 3494, 3580, 4117, 5012, 6265, 6440, 6988, 7160, 8234, 8735, 10024, 12229, 12530, 13976, 16468, 17470, 20585, 24458, 25060, 28819, 32936, 34940, 40181, 41170, 48916, 50120, 57638, 61145, 69880, 80362, 82340, 97832, 115276, 122290, 144095, 160724, 164680, 200905, 230552, 244580, 281267, 288190, 312713, 321448, 401810, 489160, 562534, 576380, 625426, 803620, 1125068, 1152760, 1250852, 1406335, 1563565, 1607240, 2188991, 2250136, 2501704, 2812670, 3127130, 4377982, 5625340, 6254260, 7192399, 8755964, 10944955, 11250680, 12508520, 14384798, 17511928, 21889910, 28769596, 35961995, 43779820, 50346793, 57539192, 71923990, 87559640, 100693586, 143847980, 201387172, 251733965, 287695960, 402774344, 503467930, 1006935860, 2013871720]

約数ペア:

[(1, 2013871720), (2, 1006935860), (4, 503467930), (5, 402774344), (7, 287695960), (8, 251733965), (10, 201387172), (14, 143847980), (20, 100693586), (23, 87559640), (28, 71923990), (35, 57539192), (40, 50346793), (46, 43779820), (56, 35961995), (70, 28769596), (92, 21889910), (115, 17511928), (140, 14384798), (161, 12508520), (179, 11250680), (184, 10944955), (230, 8755964), (280, 7192399), (322, 6254260), (358, 5625340), (460, 4377982), (644, 3127130), (716, 2812670), (805, 2501704), (895, 2250136), (920, 2188991), (1253, 1607240), (1288, 1563565), (1432, 1406335), (1610, 1250852), (1747, 1152760), (1790, 1125068), (2506, 803620), (3220, 625426), (3494, 576380), (3580, 562534), (4117, 489160), (5012, 401810), (6265, 321448), (6440, 312713), (6988, 288190), (7160, 281267), (8234, 244580), (8735, 230552), (10024, 200905), (12229, 164680), (12530, 160724), (13976, 144095), (16468, 122290), (17470, 115276), (20585, 97832), (24458, 82340), (25060, 80362), (28819, 69880), (32936, 61145), (34940, 57638), (40181, 50120), (41170, 48916)]