54871240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 143078400

約数和(自身を除く): 88207160

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 85, 95, 124, 136, 137, 152, 155, 170, 190, 248, 274, 310, 323, 340, 380, 527, 548, 589, 620, 646, 680, 685, 760, 1054, 1096, 1178, 1240, 1292, 1370, 1615, 2108, 2329, 2356, 2584, 2603, 2635, 2740, 2945, 3230, 4216, 4247, 4658, 4712, 5206, 5270, 5480, 5890, 6460, 8494, 9316, 10013, 10412, 10540, 11645, 11780, 12920, 13015, 16988, 18632, 20026, 20824, 21080, 21235, 23290, 23560, 26030, 33976, 40052, 42470, 44251, 46580, 50065, 52060, 72199, 80104, 80693, 84940, 88502, 93160, 100130, 104120, 144398, 161386, 169880, 177004, 200260, 221255, 288796, 322772, 354008, 360995, 400520, 403465, 442510, 577592, 645544, 721990, 806930, 885020, 1371781, 1443980, 1613860, 1770040, 2743562, 2887960, 3227720, 5487124, 6858905, 10974248, 13717810, 27435620, 54871240]

約数ペア:

[(1, 54871240), (2, 27435620), (4, 13717810), (5, 10974248), (8, 6858905), (10, 5487124), (17, 3227720), (19, 2887960), (20, 2743562), (31, 1770040), (34, 1613860), (38, 1443980), (40, 1371781), (62, 885020), (68, 806930), (76, 721990), (85, 645544), (95, 577592), (124, 442510), (136, 403465), (137, 400520), (152, 360995), (155, 354008), (170, 322772), (190, 288796), (248, 221255), (274, 200260), (310, 177004), (323, 169880), (340, 161386), (380, 144398), (527, 104120), (548, 100130), (589, 93160), (620, 88502), (646, 84940), (680, 80693), (685, 80104), (760, 72199), (1054, 52060), (1096, 50065), (1178, 46580), (1240, 44251), (1292, 42470), (1370, 40052), (1615, 33976), (2108, 26030), (2329, 23560), (2356, 23290), (2584, 21235), (2603, 21080), (2635, 20824), (2740, 20026), (2945, 18632), (3230, 16988), (4216, 13015), (4247, 12920), (4658, 11780), (4712, 11645), (5206, 10540), (5270, 10412), (5480, 10013), (5890, 9316), (6460, 8494)]