28444680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{653}}^1$

素因数の和:692

約数の個数: 144

約数和(自身を含む): 101768940

約数和(自身を除く): 73324260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 653, 660, 726, 792, 968, 990, 1089, 1210, 1306, 1320, 1452, 1815, 1959, 1980, 2178, 2420, 2612, 2904, 3265, 3630, 3918, 3960, 4356, 4840, 5224, 5445, 5877, 6530, 7183, 7260, 7836, 8712, 9795, 10890, 11754, 13060, 14366, 14520, 15672, 19590, 21549, 21780, 23508, 26120, 28732, 29385, 35915, 39180, 43098, 43560, 47016, 57464, 58770, 64647, 71830, 78360, 79013, 86196, 107745, 117540, 129294, 143660, 158026, 172392, 215490, 235080, 237039, 258588, 287320, 316052, 323235, 395065, 430980, 474078, 517176, 632104, 646470, 711117, 790130, 861960, 948156, 1185195, 1292940, 1422234, 1580260, 1896312, 2370390, 2585880, 2844468, 3160520, 3555585, 4740780, 5688936, 7111170, 9481560, 14222340, 28444680]

約数ペア:

[(1, 28444680), (2, 14222340), (3, 9481560), (4, 7111170), (5, 5688936), (6, 4740780), (8, 3555585), (9, 3160520), (10, 2844468), (11, 2585880), (12, 2370390), (15, 1896312), (18, 1580260), (20, 1422234), (22, 1292940), (24, 1185195), (30, 948156), (33, 861960), (36, 790130), (40, 711117), (44, 646470), (45, 632104), (55, 517176), (60, 474078), (66, 430980), (72, 395065), (88, 323235), (90, 316052), (99, 287320), (110, 258588), (120, 237039), (121, 235080), (132, 215490), (165, 172392), (180, 158026), (198, 143660), (220, 129294), (242, 117540), (264, 107745), (330, 86196), (360, 79013), (363, 78360), (396, 71830), (440, 64647), (484, 58770), (495, 57464), (605, 47016), (653, 43560), (660, 43098), (726, 39180), (792, 35915), (968, 29385), (990, 28732), (1089, 26120), (1210, 23508), (1306, 21780), (1320, 21549), (1452, 19590), (1815, 15672), (1959, 14520), (1980, 14366), (2178, 13060), (2420, 11754), (2612, 10890), (2904, 9795), (3265, 8712), (3630, 7836), (3918, 7260), (3960, 7183), (4356, 6530), (4840, 5877), (5224, 5445)]