231375780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1026

約数の個数: 144

約数和(自身を含む): 752903424

約数和(自身を除く): 521527644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 83, 85, 90, 102, 153, 166, 170, 180, 204, 249, 255, 306, 332, 340, 415, 498, 510, 612, 747, 765, 830, 911, 996, 1020, 1245, 1411, 1494, 1530, 1660, 1822, 2490, 2733, 2822, 2988, 3060, 3644, 3735, 4233, 4555, 4980, 5466, 5644, 7055, 7470, 8199, 8466, 9110, 10932, 12699, 13665, 14110, 14940, 15487, 16398, 16932, 18220, 21165, 25398, 27330, 28220, 30974, 32796, 40995, 42330, 46461, 50796, 54660, 61948, 63495, 75613, 77435, 81990, 84660, 92922, 126990, 139383, 151226, 154870, 163980, 185844, 226839, 232305, 253980, 278766, 302452, 309740, 378065, 453678, 464610, 557532, 680517, 696915, 756130, 907356, 929220, 1134195, 1285421, 1361034, 1393830, 1512260, 2268390, 2570842, 2722068, 2787660, 3402585, 3856263, 4536780, 5141684, 6427105, 6805170, 7712526, 11568789, 12854210, 13610340, 15425052, 19281315, 23137578, 25708420, 38562630, 46275156, 57843945, 77125260, 115687890, 231375780]

約数ペア:

[(1, 231375780), (2, 115687890), (3, 77125260), (4, 57843945), (5, 46275156), (6, 38562630), (9, 25708420), (10, 23137578), (12, 19281315), (15, 15425052), (17, 13610340), (18, 12854210), (20, 11568789), (30, 7712526), (34, 6805170), (36, 6427105), (45, 5141684), (51, 4536780), (60, 3856263), (68, 3402585), (83, 2787660), (85, 2722068), (90, 2570842), (102, 2268390), (153, 1512260), (166, 1393830), (170, 1361034), (180, 1285421), (204, 1134195), (249, 929220), (255, 907356), (306, 756130), (332, 696915), (340, 680517), (415, 557532), (498, 464610), (510, 453678), (612, 378065), (747, 309740), (765, 302452), (830, 278766), (911, 253980), (996, 232305), (1020, 226839), (1245, 185844), (1411, 163980), (1494, 154870), (1530, 151226), (1660, 139383), (1822, 126990), (2490, 92922), (2733, 84660), (2822, 81990), (2988, 77435), (3060, 75613), (3644, 63495), (3735, 61948), (4233, 54660), (4555, 50796), (4980, 46461), (5466, 42330), (5644, 40995), (7055, 32796), (7470, 30974), (8199, 28220), (8466, 27330), (9110, 25398), (10932, 21165), (12699, 18220), (13665, 16932), (14110, 16398), (14940, 15487)]