2540528040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{1399}}^1$

素因数の和:1859

約数の個数: 128

約数和(自身を含む): 7852320000

約数和(自身を除く): 5311791960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 409, 444, 555, 740, 818, 888, 1110, 1227, 1399, 1480, 1636, 2045, 2220, 2454, 2798, 3272, 4090, 4197, 4440, 4908, 5596, 6135, 6995, 8180, 8394, 9816, 11192, 12270, 13990, 15133, 16360, 16788, 20985, 24540, 27980, 30266, 33576, 41970, 45399, 49080, 51763, 55960, 60532, 75665, 83940, 90798, 103526, 121064, 151330, 155289, 167880, 181596, 207052, 226995, 258815, 302660, 310578, 363192, 414104, 453990, 517630, 572191, 605320, 621156, 776445, 907980, 1035260, 1144382, 1242312, 1552890, 1716573, 1815960, 2070520, 2288764, 2860955, 3105780, 3433146, 4577528, 5721910, 6211560, 6866292, 8582865, 11443820, 13732584, 17165730, 21171067, 22887640, 34331460, 42342134, 63513201, 68662920, 84684268, 105855335, 127026402, 169368536, 211710670, 254052804, 317566005, 423421340, 508105608, 635132010, 846842680, 1270264020, 2540528040]

約数ペア:

[(1, 2540528040), (2, 1270264020), (3, 846842680), (4, 635132010), (5, 508105608), (6, 423421340), (8, 317566005), (10, 254052804), (12, 211710670), (15, 169368536), (20, 127026402), (24, 105855335), (30, 84684268), (37, 68662920), (40, 63513201), (60, 42342134), (74, 34331460), (111, 22887640), (120, 21171067), (148, 17165730), (185, 13732584), (222, 11443820), (296, 8582865), (370, 6866292), (409, 6211560), (444, 5721910), (555, 4577528), (740, 3433146), (818, 3105780), (888, 2860955), (1110, 2288764), (1227, 2070520), (1399, 1815960), (1480, 1716573), (1636, 1552890), (2045, 1242312), (2220, 1144382), (2454, 1035260), (2798, 907980), (3272, 776445), (4090, 621156), (4197, 605320), (4440, 572191), (4908, 517630), (5596, 453990), (6135, 414104), (6995, 363192), (8180, 310578), (8394, 302660), (9816, 258815), (11192, 226995), (12270, 207052), (13990, 181596), (15133, 167880), (16360, 155289), (16788, 151330), (20985, 121064), (24540, 103526), (27980, 90798), (30266, 83940), (33576, 75665), (41970, 60532), (45399, 55960), (49080, 51763)]