261052740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:979

約数の個数: 192

約数和(自身を含む): 896958720

約数和(自身を除く): 635905980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 41, 45, 52, 54, 60, 65, 78, 82, 90, 108, 117, 123, 130, 135, 156, 164, 180, 195, 205, 234, 246, 260, 270, 351, 369, 390, 410, 468, 492, 533, 540, 585, 615, 702, 738, 780, 820, 907, 1066, 1107, 1170, 1230, 1404, 1476, 1599, 1755, 1814, 1845, 2132, 2214, 2340, 2460, 2665, 2721, 3198, 3510, 3628, 3690, 4428, 4535, 4797, 5330, 5442, 5535, 6396, 7020, 7380, 7995, 8163, 9070, 9594, 10660, 10884, 11070, 11791, 13605, 14391, 15990, 16326, 18140, 19188, 22140, 23582, 23985, 24489, 27210, 28782, 31980, 32652, 35373, 37187, 40815, 47164, 47970, 48978, 54420, 57564, 58955, 70746, 71955, 74374, 81630, 95940, 97956, 106119, 111561, 117910, 122445, 141492, 143910, 148748, 163260, 176865, 185935, 212238, 223122, 235820, 244890, 287820, 318357, 334683, 353730, 371870, 424476, 446244, 483431, 489780, 530595, 557805, 636714, 669366, 707460, 743740, 966862, 1004049, 1061190, 1115610, 1273428, 1338732, 1450293, 1591785, 1673415, 1933724, 2008098, 2122380, 2231220, 2417155, 2900586, 3183570, 3346830, 4016196, 4350879, 4834310, 5020245, 5801172, 6367140, 6693660, 7251465, 8701758, 9668620, 10040490, 13052637, 14502930, 17403516, 20080980, 21754395, 26105274, 29005860, 43508790, 52210548, 65263185, 87017580, 130526370, 261052740]

約数ペア:

[(1, 261052740), (2, 130526370), (3, 87017580), (4, 65263185), (5, 52210548), (6, 43508790), (9, 29005860), (10, 26105274), (12, 21754395), (13, 20080980), (15, 17403516), (18, 14502930), (20, 13052637), (26, 10040490), (27, 9668620), (30, 8701758), (36, 7251465), (39, 6693660), (41, 6367140), (45, 5801172), (52, 5020245), (54, 4834310), (60, 4350879), (65, 4016196), (78, 3346830), (82, 3183570), (90, 2900586), (108, 2417155), (117, 2231220), (123, 2122380), (130, 2008098), (135, 1933724), (156, 1673415), (164, 1591785), (180, 1450293), (195, 1338732), (205, 1273428), (234, 1115610), (246, 1061190), (260, 1004049), (270, 966862), (351, 743740), (369, 707460), (390, 669366), (410, 636714), (468, 557805), (492, 530595), (533, 489780), (540, 483431), (585, 446244), (615, 424476), (702, 371870), (738, 353730), (780, 334683), (820, 318357), (907, 287820), (1066, 244890), (1107, 235820), (1170, 223122), (1230, 212238), (1404, 185935), (1476, 176865), (1599, 163260), (1755, 148748), (1814, 143910), (1845, 141492), (2132, 122445), (2214, 117910), (2340, 111561), (2460, 106119), (2665, 97956), (2721, 95940), (3198, 81630), (3510, 74374), (3628, 71955), (3690, 70746), (4428, 58955), (4535, 57564), (4797, 54420), (5330, 48978), (5442, 47970), (5535, 47164), (6396, 40815), (7020, 37187), (7380, 35373), (7995, 32652), (8163, 31980), (9070, 28782), (9594, 27210), (10660, 24489), (10884, 23985), (11070, 23582), (11791, 22140), (13605, 19188), (14391, 18140), (15990, 16326)]