53920280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 136857600

約数和(自身を除く): 82937320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 43, 46, 47, 58, 86, 92, 94, 115, 116, 145, 172, 184, 188, 215, 230, 232, 235, 290, 344, 376, 430, 460, 470, 580, 667, 860, 920, 940, 989, 1081, 1160, 1247, 1334, 1363, 1720, 1880, 1978, 2021, 2162, 2494, 2668, 2726, 3335, 3956, 4042, 4324, 4945, 4988, 5336, 5405, 5452, 6235, 6670, 6815, 7912, 8084, 8648, 9890, 9976, 10105, 10810, 10904, 12470, 13340, 13630, 16168, 19780, 20210, 21620, 24940, 26680, 27260, 28681, 31349, 39560, 40420, 43240, 46483, 49880, 54520, 57362, 58609, 62698, 80840, 92966, 114724, 117218, 125396, 143405, 156745, 185932, 229448, 232415, 234436, 250792, 286810, 293045, 313490, 371864, 464830, 468872, 573620, 586090, 626980, 929660, 1147240, 1172180, 1253960, 1348007, 1859320, 2344360, 2696014, 5392028, 6740035, 10784056, 13480070, 26960140, 53920280]

約数ペア:

[(1, 53920280), (2, 26960140), (4, 13480070), (5, 10784056), (8, 6740035), (10, 5392028), (20, 2696014), (23, 2344360), (29, 1859320), (40, 1348007), (43, 1253960), (46, 1172180), (47, 1147240), (58, 929660), (86, 626980), (92, 586090), (94, 573620), (115, 468872), (116, 464830), (145, 371864), (172, 313490), (184, 293045), (188, 286810), (215, 250792), (230, 234436), (232, 232415), (235, 229448), (290, 185932), (344, 156745), (376, 143405), (430, 125396), (460, 117218), (470, 114724), (580, 92966), (667, 80840), (860, 62698), (920, 58609), (940, 57362), (989, 54520), (1081, 49880), (1160, 46483), (1247, 43240), (1334, 40420), (1363, 39560), (1720, 31349), (1880, 28681), (1978, 27260), (2021, 26680), (2162, 24940), (2494, 21620), (2668, 20210), (2726, 19780), (3335, 16168), (3956, 13630), (4042, 13340), (4324, 12470), (4945, 10904), (4988, 10810), (5336, 10105), (5405, 9976), (5452, 9890), (6235, 8648), (6670, 8084), (6815, 7912)]