988864020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{653}}^1$

素因数の和:894

約数の個数: 144

約数和(自身を含む): 3085205760

約数和(自身を除く): 2096341740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 179, 180, 188, 235, 282, 358, 423, 470, 537, 564, 653, 705, 716, 846, 895, 940, 1074, 1306, 1410, 1611, 1692, 1790, 1959, 2115, 2148, 2612, 2685, 2820, 3222, 3265, 3580, 3918, 4230, 5370, 5877, 6444, 6530, 7836, 8055, 8413, 8460, 9795, 10740, 11754, 13060, 16110, 16826, 19590, 23508, 25239, 29385, 30691, 32220, 33652, 39180, 42065, 50478, 58770, 61382, 75717, 84130, 92073, 100956, 116887, 117540, 122764, 126195, 151434, 153455, 168260, 184146, 233774, 252390, 276219, 302868, 306910, 350661, 368292, 378585, 460365, 467548, 504780, 552438, 584435, 613820, 701322, 757170, 920730, 1051983, 1104876, 1168870, 1381095, 1402644, 1514340, 1753305, 1841460, 2103966, 2337740, 2762190, 3506610, 4207932, 5259915, 5493689, 5524380, 7013220, 10519830, 10987378, 16481067, 21039660, 21974756, 27468445, 32962134, 49443201, 54936890, 65924268, 82405335, 98886402, 109873780, 164810670, 197772804, 247216005, 329621340, 494432010, 988864020]

約数ペア:

[(1, 988864020), (2, 494432010), (3, 329621340), (4, 247216005), (5, 197772804), (6, 164810670), (9, 109873780), (10, 98886402), (12, 82405335), (15, 65924268), (18, 54936890), (20, 49443201), (30, 32962134), (36, 27468445), (45, 21974756), (47, 21039660), (60, 16481067), (90, 10987378), (94, 10519830), (141, 7013220), (179, 5524380), (180, 5493689), (188, 5259915), (235, 4207932), (282, 3506610), (358, 2762190), (423, 2337740), (470, 2103966), (537, 1841460), (564, 1753305), (653, 1514340), (705, 1402644), (716, 1381095), (846, 1168870), (895, 1104876), (940, 1051983), (1074, 920730), (1306, 757170), (1410, 701322), (1611, 613820), (1692, 584435), (1790, 552438), (1959, 504780), (2115, 467548), (2148, 460365), (2612, 378585), (2685, 368292), (2820, 350661), (3222, 306910), (3265, 302868), (3580, 276219), (3918, 252390), (4230, 233774), (5370, 184146), (5877, 168260), (6444, 153455), (6530, 151434), (7836, 126195), (8055, 122764), (8413, 117540), (8460, 116887), (9795, 100956), (10740, 92073), (11754, 84130), (13060, 75717), (16110, 61382), (16826, 58770), (19590, 50478), (23508, 42065), (25239, 39180), (29385, 33652), (30691, 32220)]