279526860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:165

約数の個数: 216

約数和(自身を含む): 936564720

約数和(自身を除く): 657037860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 47, 57, 60, 74, 76, 90, 94, 95, 111, 114, 141, 148, 171, 180, 185, 188, 190, 222, 228, 235, 282, 285, 333, 342, 370, 380, 423, 444, 470, 555, 564, 570, 666, 684, 703, 705, 740, 846, 855, 893, 940, 1110, 1140, 1332, 1406, 1410, 1665, 1692, 1710, 1739, 1786, 2109, 2115, 2209, 2220, 2679, 2812, 2820, 3330, 3420, 3478, 3515, 3572, 4218, 4230, 4418, 4465, 5217, 5358, 6327, 6627, 6660, 6956, 7030, 8037, 8436, 8460, 8695, 8836, 8930, 10434, 10545, 10716, 11045, 12654, 13254, 13395, 14060, 15651, 16074, 17390, 17860, 19881, 20868, 21090, 22090, 25308, 26085, 26508, 26790, 31302, 31635, 32148, 33041, 33135, 34780, 39762, 40185, 41971, 42180, 44180, 52170, 53580, 62604, 63270, 66082, 66270, 78255, 79524, 80370, 81733, 83942, 99123, 99405, 104340, 125913, 126540, 132164, 132540, 156510, 160740, 163466, 165205, 167884, 198246, 198810, 209855, 245199, 251826, 297369, 313020, 326932, 330410, 377739, 396492, 397620, 408665, 419710, 490398, 495615, 503652, 594738, 629565, 660820, 735597, 755478, 817330, 839420, 980796, 991230, 1189476, 1225995, 1259130, 1471194, 1486845, 1510956, 1552927, 1634660, 1888695, 1982460, 2451990, 2518260, 2942388, 2973690, 3105854, 3677985, 3777390, 4658781, 4903980, 5947380, 6211708, 7355970, 7554780, 7764635, 9317562, 13976343, 14711940, 15529270, 18635124, 23293905, 27952686, 31058540, 46587810, 55905372, 69881715, 93175620, 139763430, 279526860]

約数ペア:

[(1, 279526860), (2, 139763430), (3, 93175620), (4, 69881715), (5, 55905372), (6, 46587810), (9, 31058540), (10, 27952686), (12, 23293905), (15, 18635124), (18, 15529270), (19, 14711940), (20, 13976343), (30, 9317562), (36, 7764635), (37, 7554780), (38, 7355970), (45, 6211708), (47, 5947380), (57, 4903980), (60, 4658781), (74, 3777390), (76, 3677985), (90, 3105854), (94, 2973690), (95, 2942388), (111, 2518260), (114, 2451990), (141, 1982460), (148, 1888695), (171, 1634660), (180, 1552927), (185, 1510956), (188, 1486845), (190, 1471194), (222, 1259130), (228, 1225995), (235, 1189476), (282, 991230), (285, 980796), (333, 839420), (342, 817330), (370, 755478), (380, 735597), (423, 660820), (444, 629565), (470, 594738), (555, 503652), (564, 495615), (570, 490398), (666, 419710), (684, 408665), (703, 397620), (705, 396492), (740, 377739), (846, 330410), (855, 326932), (893, 313020), (940, 297369), (1110, 251826), (1140, 245199), (1332, 209855), (1406, 198810), (1410, 198246), (1665, 167884), (1692, 165205), (1710, 163466), (1739, 160740), (1786, 156510), (2109, 132540), (2115, 132164), (2209, 126540), (2220, 125913), (2679, 104340), (2812, 99405), (2820, 99123), (3330, 83942), (3420, 81733), (3478, 80370), (3515, 79524), (3572, 78255), (4218, 66270), (4230, 66082), (4418, 63270), (4465, 62604), (5217, 53580), (5358, 52170), (6327, 44180), (6627, 42180), (6660, 41971), (6956, 40185), (7030, 39762), (8037, 34780), (8436, 33135), (8460, 33041), (8695, 32148), (8836, 31635), (8930, 31302), (10434, 26790), (10545, 26508), (10716, 26085), (11045, 25308), (12654, 22090), (13254, 21090), (13395, 20868), (14060, 19881), (15651, 17860), (16074, 17390)]