87723720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4973}}^1$

素因数の和:5004

約数の個数: 144

約数和(自身を含む): 331716060

約数和(自身を除く): 243992340

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, 4973, 5880, 8820, 9946, 14919, 17640, 19892, 24865, 29838, 34811, 39784, 44757, 49730, 59676, 69622, 74595, 89514, 99460, 104433, 119352, 139244, 149190, 174055, 179028, 198920, 208866, 223785, 243677, 278488, 298380, 313299, 348110, 358056, 417732, 447570, 487354, 522165, 596760, 626598, 696220, 731031, 835464, 895140, 974708, 1044330, 1218385, 1253196, 1392440, 1462062, 1566495, 1790280, 1949416, 2088660, 2193093, 2436770, 2506392, 2924124, 3132990, 3655155, 4177320, 4386186, 4873540, 5848248, 6265980, 7310310, 8772372, 9747080, 10965465, 12531960, 14620620, 17544744, 21930930, 29241240, 43861860, 87723720]

約数ペア:

[(1, 87723720), (2, 43861860), (3, 29241240), (4, 21930930), (5, 17544744), (6, 14620620), (7, 12531960), (8, 10965465), (9, 9747080), (10, 8772372), (12, 7310310), (14, 6265980), (15, 5848248), (18, 4873540), (20, 4386186), (21, 4177320), (24, 3655155), (28, 3132990), (30, 2924124), (35, 2506392), (36, 2436770), (40, 2193093), (42, 2088660), (45, 1949416), (49, 1790280), (56, 1566495), (60, 1462062), (63, 1392440), (70, 1253196), (72, 1218385), (84, 1044330), (90, 974708), (98, 895140), (105, 835464), (120, 731031), (126, 696220), (140, 626598), (147, 596760), (168, 522165), (180, 487354), (196, 447570), (210, 417732), (245, 358056), (252, 348110), (280, 313299), (294, 298380), (315, 278488), (360, 243677), (392, 223785), (420, 208866), (441, 198920), (490, 179028), (504, 174055), (588, 149190), (630, 139244), (735, 119352), (840, 104433), (882, 99460), (980, 89514), (1176, 74595), (1260, 69622), (1470, 59676), (1764, 49730), (1960, 44757), (2205, 39784), (2520, 34811), (2940, 29838), (3528, 24865), (4410, 19892), (4973, 17640), (5880, 14919), (8820, 9946)]