72213900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 231651840

約数和(自身を除く): 159437940

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 79, 100, 110, 132, 150, 158, 165, 220, 237, 275, 277, 300, 316, 330, 395, 474, 550, 554, 660, 790, 825, 831, 869, 948, 1100, 1108, 1185, 1385, 1580, 1650, 1662, 1738, 1975, 2370, 2607, 2770, 3047, 3300, 3324, 3476, 3950, 4155, 4345, 4740, 5214, 5540, 5925, 6094, 6925, 7900, 8310, 8690, 9141, 10428, 11850, 12188, 13035, 13850, 15235, 16620, 17380, 18282, 20775, 21725, 21883, 23700, 26070, 27700, 30470, 36564, 41550, 43450, 43766, 45705, 52140, 60940, 65175, 65649, 76175, 83100, 86900, 87532, 91410, 109415, 130350, 131298, 152350, 182820, 218830, 228525, 240713, 260700, 262596, 304700, 328245, 437660, 457050, 481426, 547075, 656490, 722139, 914100, 962852, 1094150, 1203565, 1312980, 1444278, 1641225, 2188300, 2407130, 2888556, 3282450, 3610695, 4814260, 6017825, 6564900, 7221390, 12035650, 14442780, 18053475, 24071300, 36106950, 72213900]

約数ペア:

[(1, 72213900), (2, 36106950), (3, 24071300), (4, 18053475), (5, 14442780), (6, 12035650), (10, 7221390), (11, 6564900), (12, 6017825), (15, 4814260), (20, 3610695), (22, 3282450), (25, 2888556), (30, 2407130), (33, 2188300), (44, 1641225), (50, 1444278), (55, 1312980), (60, 1203565), (66, 1094150), (75, 962852), (79, 914100), (100, 722139), (110, 656490), (132, 547075), (150, 481426), (158, 457050), (165, 437660), (220, 328245), (237, 304700), (275, 262596), (277, 260700), (300, 240713), (316, 228525), (330, 218830), (395, 182820), (474, 152350), (550, 131298), (554, 130350), (660, 109415), (790, 91410), (825, 87532), (831, 86900), (869, 83100), (948, 76175), (1100, 65649), (1108, 65175), (1185, 60940), (1385, 52140), (1580, 45705), (1650, 43766), (1662, 43450), (1738, 41550), (1975, 36564), (2370, 30470), (2607, 27700), (2770, 26070), (3047, 23700), (3300, 21883), (3324, 21725), (3476, 20775), (3950, 18282), (4155, 17380), (4345, 16620), (4740, 15235), (5214, 13850), (5540, 13035), (5925, 12188), (6094, 11850), (6925, 10428), (7900, 9141), (8310, 8690)]