78986040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 256

約数和(自身を含む): 293760000

約数和(自身を除く): 214773960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 101, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 202, 210, 228, 245, 266, 280, 285, 294, 303, 343, 380, 392, 399, 404, 420, 456, 490, 505, 532, 570, 588, 606, 665, 686, 707, 735, 760, 798, 808, 840, 931, 980, 1010, 1029, 1064, 1140, 1176, 1212, 1330, 1372, 1414, 1470, 1515, 1596, 1715, 1862, 1919, 1960, 1995, 2020, 2058, 2121, 2280, 2424, 2660, 2744, 2793, 2828, 2940, 3030, 3192, 3430, 3535, 3724, 3838, 3990, 4040, 4116, 4242, 4655, 4949, 5145, 5320, 5586, 5656, 5757, 5880, 6060, 6517, 6860, 7070, 7448, 7676, 7980, 8232, 8484, 9310, 9595, 9898, 10290, 10605, 11172, 11514, 12120, 13034, 13433, 13720, 13965, 14140, 14847, 15352, 15960, 16968, 18620, 19190, 19551, 19796, 20580, 21210, 22344, 23028, 24745, 26068, 26866, 27930, 28280, 28785, 29694, 32585, 34643, 37240, 38380, 39102, 39592, 40299, 41160, 42420, 46056, 49490, 52136, 53732, 55860, 57570, 59388, 65170, 67165, 69286, 74235, 76760, 78204, 80598, 84840, 94031, 97755, 98980, 103929, 107464, 111720, 115140, 118776, 130340, 134330, 138572, 148470, 156408, 161196, 173215, 188062, 195510, 197960, 201495, 207858, 230280, 260680, 268660, 277144, 282093, 296940, 322392, 346430, 376124, 391020, 402990, 415716, 470155, 519645, 537320, 564186, 593880, 658217, 692860, 752248, 782040, 805980, 831432, 940310, 1039290, 1128372, 1316434, 1385720, 1410465, 1611960, 1880620, 1974651, 2078580, 2256744, 2632868, 2820930, 3291085, 3761240, 3949302, 4157160, 5265736, 5641860, 6582170, 7898604, 9873255, 11283720, 13164340, 15797208, 19746510, 26328680, 39493020, 78986040]

約数ペア:

[(1, 78986040), (2, 39493020), (3, 26328680), (4, 19746510), (5, 15797208), (6, 13164340), (7, 11283720), (8, 9873255), (10, 7898604), (12, 6582170), (14, 5641860), (15, 5265736), (19, 4157160), (20, 3949302), (21, 3761240), (24, 3291085), (28, 2820930), (30, 2632868), (35, 2256744), (38, 2078580), (40, 1974651), (42, 1880620), (49, 1611960), (56, 1410465), (57, 1385720), (60, 1316434), (70, 1128372), (76, 1039290), (84, 940310), (95, 831432), (98, 805980), (101, 782040), (105, 752248), (114, 692860), (120, 658217), (133, 593880), (140, 564186), (147, 537320), (152, 519645), (168, 470155), (190, 415716), (196, 402990), (202, 391020), (210, 376124), (228, 346430), (245, 322392), (266, 296940), (280, 282093), (285, 277144), (294, 268660), (303, 260680), (343, 230280), (380, 207858), (392, 201495), (399, 197960), (404, 195510), (420, 188062), (456, 173215), (490, 161196), (505, 156408), (532, 148470), (570, 138572), (588, 134330), (606, 130340), (665, 118776), (686, 115140), (707, 111720), (735, 107464), (760, 103929), (798, 98980), (808, 97755), (840, 94031), (931, 84840), (980, 80598), (1010, 78204), (1029, 76760), (1064, 74235), (1140, 69286), (1176, 67165), (1212, 65170), (1330, 59388), (1372, 57570), (1414, 55860), (1470, 53732), (1515, 52136), (1596, 49490), (1715, 46056), (1862, 42420), (1919, 41160), (1960, 40299), (1995, 39592), (2020, 39102), (2058, 38380), (2121, 37240), (2280, 34643), (2424, 32585), (2660, 29694), (2744, 28785), (2793, 28280), (2828, 27930), (2940, 26866), (3030, 26068), (3192, 24745), (3430, 23028), (3535, 22344), (3724, 21210), (3838, 20580), (3990, 19796), (4040, 19551), (4116, 19190), (4242, 18620), (4655, 16968), (4949, 15960), (5145, 15352), (5320, 14847), (5586, 14140), (5656, 13965), (5757, 13720), (5880, 13433), (6060, 13034), (6517, 12120), (6860, 11514), (7070, 11172), (7448, 10605), (7676, 10290), (7980, 9898), (8232, 9595), (8484, 9310)]