87441480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4957}}^1$

素因数の和:4988

約数の個数: 144

約数和(自身を含む): 330649020

約数和(自身を除く): 243207540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 4957, 5880, 8820, 9914, 14871, 17640, 19828, 24785, 29742, 34699, 39656, 44613, 49570, 59484, 69398, 74355, 89226, 99140, 104097, 118968, 138796, 148710, 173495, 178452, 198280, 208194, 223065, 242893, 277592, 297420, 312291, 346990, 356904, 416388, 446130, 485786, 520485, 594840, 624582, 693980, 728679, 832776, 892260, 971572, 1040970, 1214465, 1249164, 1387960, 1457358, 1561455, 1784520, 1943144, 2081940, 2186037, 2428930, 2498328, 2914716, 3122910, 3643395, 4163880, 4372074, 4857860, 5829432, 6245820, 7286790, 8744148, 9715720, 10930185, 12491640, 14573580, 17488296, 21860370, 29147160, 43720740, 87441480]

約数ペア:

[(1, 87441480), (2, 43720740), (3, 29147160), (4, 21860370), (5, 17488296), (6, 14573580), (7, 12491640), (8, 10930185), (9, 9715720), (10, 8744148), (12, 7286790), (14, 6245820), (15, 5829432), (18, 4857860), (20, 4372074), (21, 4163880), (24, 3643395), (28, 3122910), (30, 2914716), (35, 2498328), (36, 2428930), (40, 2186037), (42, 2081940), (45, 1943144), (49, 1784520), (56, 1561455), (60, 1457358), (63, 1387960), (70, 1249164), (72, 1214465), (84, 1040970), (90, 971572), (98, 892260), (105, 832776), (120, 728679), (126, 693980), (140, 624582), (147, 594840), (168, 520485), (180, 485786), (196, 446130), (210, 416388), (245, 356904), (252, 346990), (280, 312291), (294, 297420), (315, 277592), (360, 242893), (392, 223065), (420, 208194), (441, 198280), (490, 178452), (504, 173495), (588, 148710), (630, 138796), (735, 118968), (840, 104097), (882, 99140), (980, 89226), (1176, 74355), (1260, 69398), (1470, 59484), (1764, 49570), (1960, 44613), (2205, 39656), (2520, 34699), (2940, 29742), (3528, 24785), (4410, 19828), (4957, 17640), (5880, 14871), (8820, 9914)]