72554580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 254741760

約数和(自身を除く): 182187180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 647, 801, 890, 1068, 1246, 1260, 1294, 1335, 1602, 1780, 1869, 1941, 2492, 2588, 2670, 3115, 3204, 3235, 3738, 3882, 4005, 4529, 5340, 5607, 5823, 6230, 6470, 7476, 7764, 8010, 9058, 9345, 9705, 11214, 11646, 12460, 12940, 13587, 16020, 18116, 18690, 19410, 22428, 22645, 23292, 27174, 28035, 29115, 37380, 38820, 40761, 45290, 54348, 56070, 57583, 58230, 67935, 81522, 90580, 112140, 115166, 116460, 135870, 163044, 172749, 203805, 230332, 271740, 287915, 345498, 403081, 407610, 518247, 575830, 690996, 806162, 815220, 863745, 1036494, 1151660, 1209243, 1612324, 1727490, 2015405, 2072988, 2418486, 2591235, 3454980, 3627729, 4030810, 4836972, 5182470, 6046215, 7255458, 8061620, 10364940, 12092430, 14510916, 18138645, 24184860, 36277290, 72554580]

約数ペア:

[(1, 72554580), (2, 36277290), (3, 24184860), (4, 18138645), (5, 14510916), (6, 12092430), (7, 10364940), (9, 8061620), (10, 7255458), (12, 6046215), (14, 5182470), (15, 4836972), (18, 4030810), (20, 3627729), (21, 3454980), (28, 2591235), (30, 2418486), (35, 2072988), (36, 2015405), (42, 1727490), (45, 1612324), (60, 1209243), (63, 1151660), (70, 1036494), (84, 863745), (89, 815220), (90, 806162), (105, 690996), (126, 575830), (140, 518247), (178, 407610), (180, 403081), (210, 345498), (252, 287915), (267, 271740), (315, 230332), (356, 203805), (420, 172749), (445, 163044), (534, 135870), (623, 116460), (630, 115166), (647, 112140), (801, 90580), (890, 81522), (1068, 67935), (1246, 58230), (1260, 57583), (1294, 56070), (1335, 54348), (1602, 45290), (1780, 40761), (1869, 38820), (1941, 37380), (2492, 29115), (2588, 28035), (2670, 27174), (3115, 23292), (3204, 22645), (3235, 22428), (3738, 19410), (3882, 18690), (4005, 18116), (4529, 16020), (5340, 13587), (5607, 12940), (5823, 12460), (6230, 11646), (6470, 11214), (7476, 9705), (7764, 9345), (8010, 9058)]