28668120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 256

約数和(自身を含む): 104509440

約数和(自身を除く): 75841320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 23, 24, 26, 30, 34, 39, 40, 46, 47, 51, 52, 60, 65, 68, 69, 78, 85, 92, 94, 102, 104, 115, 120, 130, 136, 138, 141, 156, 170, 184, 188, 195, 204, 221, 230, 235, 255, 260, 276, 282, 299, 312, 340, 345, 376, 390, 391, 408, 442, 460, 470, 510, 520, 552, 564, 598, 611, 663, 680, 690, 705, 780, 782, 799, 884, 897, 920, 940, 1020, 1081, 1105, 1128, 1173, 1196, 1222, 1326, 1380, 1410, 1495, 1560, 1564, 1598, 1768, 1794, 1833, 1880, 1955, 2040, 2162, 2210, 2346, 2392, 2397, 2444, 2652, 2760, 2820, 2990, 3055, 3128, 3196, 3243, 3315, 3588, 3666, 3910, 3995, 4324, 4420, 4485, 4692, 4794, 4888, 5083, 5304, 5405, 5640, 5865, 5980, 6110, 6392, 6486, 6630, 7176, 7332, 7820, 7990, 8648, 8840, 8970, 9165, 9384, 9588, 10166, 10387, 10810, 11730, 11960, 11985, 12220, 12972, 13260, 14053, 14664, 15249, 15640, 15980, 16215, 17940, 18330, 18377, 19176, 20332, 20774, 21620, 23460, 23970, 24440, 25415, 25944, 26520, 28106, 30498, 31161, 31960, 32430, 35880, 36660, 36754, 40664, 41548, 42159, 43240, 46920, 47940, 50830, 51935, 55131, 56212, 60996, 62322, 64860, 70265, 73320, 73508, 76245, 83096, 84318, 91885, 95880, 101660, 103870, 110262, 112424, 121992, 124644, 129720, 140530, 147016, 152490, 155805, 168636, 183770, 203320, 207740, 210795, 220524, 238901, 249288, 275655, 281060, 304980, 311610, 337272, 367540, 415480, 421590, 441048, 477802, 551310, 562120, 609960, 623220, 716703, 735080, 843180, 955604, 1102620, 1194505, 1246440, 1433406, 1686360, 1911208, 2205240, 2389010, 2866812, 3583515, 4778020, 5733624, 7167030, 9556040, 14334060, 28668120]

約数ペア:

[(1, 28668120), (2, 14334060), (3, 9556040), (4, 7167030), (5, 5733624), (6, 4778020), (8, 3583515), (10, 2866812), (12, 2389010), (13, 2205240), (15, 1911208), (17, 1686360), (20, 1433406), (23, 1246440), (24, 1194505), (26, 1102620), (30, 955604), (34, 843180), (39, 735080), (40, 716703), (46, 623220), (47, 609960), (51, 562120), (52, 551310), (60, 477802), (65, 441048), (68, 421590), (69, 415480), (78, 367540), (85, 337272), (92, 311610), (94, 304980), (102, 281060), (104, 275655), (115, 249288), (120, 238901), (130, 220524), (136, 210795), (138, 207740), (141, 203320), (156, 183770), (170, 168636), (184, 155805), (188, 152490), (195, 147016), (204, 140530), (221, 129720), (230, 124644), (235, 121992), (255, 112424), (260, 110262), (276, 103870), (282, 101660), (299, 95880), (312, 91885), (340, 84318), (345, 83096), (376, 76245), (390, 73508), (391, 73320), (408, 70265), (442, 64860), (460, 62322), (470, 60996), (510, 56212), (520, 55131), (552, 51935), (564, 50830), (598, 47940), (611, 46920), (663, 43240), (680, 42159), (690, 41548), (705, 40664), (780, 36754), (782, 36660), (799, 35880), (884, 32430), (897, 31960), (920, 31161), (940, 30498), (1020, 28106), (1081, 26520), (1105, 25944), (1128, 25415), (1173, 24440), (1196, 23970), (1222, 23460), (1326, 21620), (1380, 20774), (1410, 20332), (1495, 19176), (1560, 18377), (1564, 18330), (1598, 17940), (1768, 16215), (1794, 15980), (1833, 15640), (1880, 15249), (1955, 14664), (2040, 14053), (2162, 13260), (2210, 12972), (2346, 12220), (2392, 11985), (2397, 11960), (2444, 11730), (2652, 10810), (2760, 10387), (2820, 10166), (2990, 9588), (3055, 9384), (3128, 9165), (3196, 8970), (3243, 8840), (3315, 8648), (3588, 7990), (3666, 7820), (3910, 7332), (3995, 7176), (4324, 6630), (4420, 6486), (4485, 6392), (4692, 6110), (4794, 5980), (4888, 5865), (5083, 5640), (5304, 5405)]