15767880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 51321600

約数和(自身を除く): 35553720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 197, 230, 232, 276, 290, 345, 348, 394, 435, 460, 552, 580, 591, 667, 690, 696, 788, 870, 920, 985, 1160, 1182, 1334, 1380, 1576, 1740, 1970, 2001, 2364, 2668, 2760, 2955, 3335, 3480, 3940, 4002, 4531, 4728, 5336, 5713, 5910, 6670, 7880, 8004, 9062, 10005, 11426, 11820, 13340, 13593, 16008, 17139, 18124, 20010, 22655, 22852, 23640, 26680, 27186, 28565, 34278, 36248, 40020, 45310, 45704, 54372, 57130, 67965, 68556, 80040, 85695, 90620, 108744, 114260, 131399, 135930, 137112, 171390, 181240, 228520, 262798, 271860, 342780, 394197, 525596, 543720, 656995, 685560, 788394, 1051192, 1313990, 1576788, 1970985, 2627980, 3153576, 3941970, 5255960, 7883940, 15767880]

約数ペア:

[(1, 15767880), (2, 7883940), (3, 5255960), (4, 3941970), (5, 3153576), (6, 2627980), (8, 1970985), (10, 1576788), (12, 1313990), (15, 1051192), (20, 788394), (23, 685560), (24, 656995), (29, 543720), (30, 525596), (40, 394197), (46, 342780), (58, 271860), (60, 262798), (69, 228520), (87, 181240), (92, 171390), (115, 137112), (116, 135930), (120, 131399), (138, 114260), (145, 108744), (174, 90620), (184, 85695), (197, 80040), (230, 68556), (232, 67965), (276, 57130), (290, 54372), (345, 45704), (348, 45310), (394, 40020), (435, 36248), (460, 34278), (552, 28565), (580, 27186), (591, 26680), (667, 23640), (690, 22852), (696, 22655), (788, 20010), (870, 18124), (920, 17139), (985, 16008), (1160, 13593), (1182, 13340), (1334, 11820), (1380, 11426), (1576, 10005), (1740, 9062), (1970, 8004), (2001, 7880), (2364, 6670), (2668, 5910), (2760, 5713), (2955, 5336), (3335, 4728), (3480, 4531), (3940, 4002)]