40123440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 240

約数和(自身を含む): 162489600

約数和(自身を除く): 122366160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 419, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 838, 840, 855, 912, 1008, 1064, 1140, 1197, 1257, 1260, 1330, 1368, 1520, 1596, 1676, 1680, 1710, 1995, 2095, 2128, 2280, 2394, 2514, 2520, 2660, 2736, 2933, 3192, 3352, 3420, 3771, 3990, 4190, 4560, 4788, 5028, 5040, 5320, 5866, 5985, 6285, 6384, 6704, 6840, 7542, 7961, 7980, 8380, 8799, 9576, 10056, 10640, 11732, 11970, 12570, 13680, 14665, 15084, 15922, 15960, 16760, 17598, 18855, 19152, 20112, 23464, 23883, 23940, 25140, 26397, 29330, 30168, 31844, 31920, 33520, 35196, 37710, 39805, 43995, 46928, 47766, 47880, 50280, 52794, 55727, 58660, 60336, 63688, 70392, 71649, 75420, 79610, 87990, 95532, 95760, 100560, 105588, 111454, 117320, 119415, 127376, 131985, 140784, 143298, 150840, 159220, 167181, 175980, 191064, 211176, 222908, 234640, 238830, 263970, 278635, 286596, 301680, 318440, 334362, 351960, 358245, 382128, 422352, 445816, 477660, 501543, 527940, 557270, 573192, 636880, 668724, 703920, 716490, 835905, 891632, 955320, 1003086, 1055880, 1114540, 1146384, 1337448, 1432980, 1671810, 1910640, 2006172, 2111760, 2229080, 2507715, 2674896, 2865960, 3343620, 4012344, 4458160, 5015430, 5731920, 6687240, 8024688, 10030860, 13374480, 20061720, 40123440]

約数ペア:

[(1, 40123440), (2, 20061720), (3, 13374480), (4, 10030860), (5, 8024688), (6, 6687240), (7, 5731920), (8, 5015430), (9, 4458160), (10, 4012344), (12, 3343620), (14, 2865960), (15, 2674896), (16, 2507715), (18, 2229080), (19, 2111760), (20, 2006172), (21, 1910640), (24, 1671810), (28, 1432980), (30, 1337448), (35, 1146384), (36, 1114540), (38, 1055880), (40, 1003086), (42, 955320), (45, 891632), (48, 835905), (56, 716490), (57, 703920), (60, 668724), (63, 636880), (70, 573192), (72, 557270), (76, 527940), (80, 501543), (84, 477660), (90, 445816), (95, 422352), (105, 382128), (112, 358245), (114, 351960), (120, 334362), (126, 318440), (133, 301680), (140, 286596), (144, 278635), (152, 263970), (168, 238830), (171, 234640), (180, 222908), (190, 211176), (210, 191064), (228, 175980), (240, 167181), (252, 159220), (266, 150840), (280, 143298), (285, 140784), (304, 131985), (315, 127376), (336, 119415), (342, 117320), (360, 111454), (380, 105588), (399, 100560), (419, 95760), (420, 95532), (456, 87990), (504, 79610), (532, 75420), (560, 71649), (570, 70392), (630, 63688), (665, 60336), (684, 58660), (720, 55727), (760, 52794), (798, 50280), (838, 47880), (840, 47766), (855, 46928), (912, 43995), (1008, 39805), (1064, 37710), (1140, 35196), (1197, 33520), (1257, 31920), (1260, 31844), (1330, 30168), (1368, 29330), (1520, 26397), (1596, 25140), (1676, 23940), (1680, 23883), (1710, 23464), (1995, 20112), (2095, 19152), (2128, 18855), (2280, 17598), (2394, 16760), (2514, 15960), (2520, 15922), (2660, 15084), (2736, 14665), (2933, 13680), (3192, 12570), (3352, 11970), (3420, 11732), (3771, 10640), (3990, 10056), (4190, 9576), (4560, 8799), (4788, 8380), (5028, 7980), (5040, 7961), (5320, 7542), (5866, 6840), (5985, 6704), (6285, 6384)]