72727440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 160

約数和(自身を含む): 243734400

約数和(自身を除く): 171006960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 41, 48, 57, 60, 76, 80, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 240, 246, 285, 304, 328, 380, 389, 410, 456, 492, 570, 615, 656, 760, 778, 779, 820, 912, 984, 1140, 1167, 1230, 1520, 1556, 1558, 1640, 1945, 1968, 2280, 2334, 2337, 2460, 3112, 3116, 3280, 3890, 3895, 4560, 4668, 4674, 4920, 5835, 6224, 6232, 7391, 7780, 7790, 9336, 9348, 9840, 11670, 11685, 12464, 14782, 15560, 15580, 15949, 18672, 18696, 22173, 23340, 23370, 29564, 31120, 31160, 31898, 36955, 37392, 44346, 46680, 46740, 47847, 59128, 62320, 63796, 73910, 79745, 88692, 93360, 93480, 95694, 110865, 118256, 127592, 147820, 159490, 177384, 186960, 191388, 221730, 239235, 255184, 295640, 303031, 318980, 354768, 382776, 443460, 478470, 591280, 606062, 637960, 765552, 886920, 909093, 956940, 1212124, 1275920, 1515155, 1773840, 1818186, 1913880, 2424248, 3030310, 3636372, 3827760, 4545465, 4848496, 6060620, 7272744, 9090930, 12121240, 14545488, 18181860, 24242480, 36363720, 72727440]

約数ペア:

[(1, 72727440), (2, 36363720), (3, 24242480), (4, 18181860), (5, 14545488), (6, 12121240), (8, 9090930), (10, 7272744), (12, 6060620), (15, 4848496), (16, 4545465), (19, 3827760), (20, 3636372), (24, 3030310), (30, 2424248), (38, 1913880), (40, 1818186), (41, 1773840), (48, 1515155), (57, 1275920), (60, 1212124), (76, 956940), (80, 909093), (82, 886920), (95, 765552), (114, 637960), (120, 606062), (123, 591280), (152, 478470), (164, 443460), (190, 382776), (205, 354768), (228, 318980), (240, 303031), (246, 295640), (285, 255184), (304, 239235), (328, 221730), (380, 191388), (389, 186960), (410, 177384), (456, 159490), (492, 147820), (570, 127592), (615, 118256), (656, 110865), (760, 95694), (778, 93480), (779, 93360), (820, 88692), (912, 79745), (984, 73910), (1140, 63796), (1167, 62320), (1230, 59128), (1520, 47847), (1556, 46740), (1558, 46680), (1640, 44346), (1945, 37392), (1968, 36955), (2280, 31898), (2334, 31160), (2337, 31120), (2460, 29564), (3112, 23370), (3116, 23340), (3280, 22173), (3890, 18696), (3895, 18672), (4560, 15949), (4668, 15580), (4674, 15560), (4920, 14782), (5835, 12464), (6224, 11685), (6232, 11670), (7391, 9840), (7780, 9348), (7790, 9336)]