245678640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44507}}^1$

素因数の和:44546

約数の個数: 80

約数和(自身を含む): 794734848

約数和(自身を除く): 549056208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 44507, 89014, 133521, 178028, 222535, 267042, 356056, 445070, 534084, 667605, 712112, 890140, 1023661, 1068168, 1335210, 1780280, 2047322, 2136336, 2670420, 3070983, 3560560, 4094644, 5118305, 5340840, 6141966, 8189288, 10236610, 10681680, 12283932, 15354915, 16378576, 20473220, 24567864, 30709830, 40946440, 49135728, 61419660, 81892880, 122839320, 245678640]

約数ペア:

[(1, 245678640), (2, 122839320), (3, 81892880), (4, 61419660), (5, 49135728), (6, 40946440), (8, 30709830), (10, 24567864), (12, 20473220), (15, 16378576), (16, 15354915), (20, 12283932), (23, 10681680), (24, 10236610), (30, 8189288), (40, 6141966), (46, 5340840), (48, 5118305), (60, 4094644), (69, 3560560), (80, 3070983), (92, 2670420), (115, 2136336), (120, 2047322), (138, 1780280), (184, 1335210), (230, 1068168), (240, 1023661), (276, 890140), (345, 712112), (368, 667605), (460, 534084), (552, 445070), (690, 356056), (920, 267042), (1104, 222535), (1380, 178028), (1840, 133521), (2760, 89014), (5520, 44507)]