30915840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 100957248

約数和(自身を除く): 70041408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 97, 120, 128, 160, 166, 192, 194, 240, 249, 256, 291, 320, 332, 384, 388, 415, 480, 485, 498, 582, 640, 664, 768, 776, 830, 960, 970, 996, 1164, 1245, 1280, 1328, 1455, 1552, 1660, 1920, 1940, 1992, 2328, 2490, 2656, 2910, 3104, 3320, 3840, 3880, 3984, 4656, 4980, 5312, 5820, 6208, 6640, 7760, 7968, 8051, 9312, 9960, 10624, 11640, 12416, 13280, 15520, 15936, 16102, 18624, 19920, 21248, 23280, 24153, 24832, 26560, 31040, 31872, 32204, 37248, 39840, 40255, 46560, 48306, 53120, 62080, 63744, 64408, 74496, 79680, 80510, 93120, 96612, 106240, 120765, 124160, 128816, 159360, 161020, 186240, 193224, 241530, 257632, 318720, 322040, 372480, 386448, 483060, 515264, 644080, 772896, 966120, 1030528, 1288160, 1545792, 1932240, 2061056, 2576320, 3091584, 3864480, 5152640, 6183168, 7728960, 10305280, 15457920, 30915840]

約数ペア:

[(1, 30915840), (2, 15457920), (3, 10305280), (4, 7728960), (5, 6183168), (6, 5152640), (8, 3864480), (10, 3091584), (12, 2576320), (15, 2061056), (16, 1932240), (20, 1545792), (24, 1288160), (30, 1030528), (32, 966120), (40, 772896), (48, 644080), (60, 515264), (64, 483060), (80, 386448), (83, 372480), (96, 322040), (97, 318720), (120, 257632), (128, 241530), (160, 193224), (166, 186240), (192, 161020), (194, 159360), (240, 128816), (249, 124160), (256, 120765), (291, 106240), (320, 96612), (332, 93120), (384, 80510), (388, 79680), (415, 74496), (480, 64408), (485, 63744), (498, 62080), (582, 53120), (640, 48306), (664, 46560), (768, 40255), (776, 39840), (830, 37248), (960, 32204), (970, 31872), (996, 31040), (1164, 26560), (1245, 24832), (1280, 24153), (1328, 23280), (1455, 21248), (1552, 19920), (1660, 18624), (1920, 16102), (1940, 15936), (1992, 15520), (2328, 13280), (2490, 12416), (2656, 11640), (2910, 10624), (3104, 9960), (3320, 9312), (3840, 8051), (3880, 7968), (3984, 7760), (4656, 6640), (4980, 6208), (5312, 5820)]