31580010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 256

約数和(自身を含む): 110592000

約数和(自身を除く): 79011990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 31, 33, 35, 42, 45, 49, 54, 55, 62, 63, 66, 70, 77, 90, 93, 98, 99, 105, 110, 126, 135, 147, 154, 155, 165, 186, 189, 198, 210, 217, 231, 245, 270, 279, 294, 297, 310, 315, 330, 341, 343, 378, 385, 434, 441, 462, 465, 490, 495, 539, 558, 594, 630, 651, 682, 686, 693, 735, 770, 837, 882, 930, 945, 990, 1023, 1029, 1078, 1085, 1155, 1302, 1323, 1386, 1395, 1470, 1485, 1519, 1617, 1674, 1705, 1715, 1890, 1953, 2046, 2058, 2079, 2170, 2205, 2310, 2387, 2646, 2695, 2790, 2970, 3038, 3069, 3087, 3234, 3255, 3410, 3430, 3465, 3773, 3906, 4158, 4185, 4410, 4557, 4774, 4851, 5115, 5145, 5390, 5859, 6138, 6174, 6510, 6615, 6930, 7161, 7546, 7595, 8085, 8370, 9114, 9207, 9261, 9702, 9765, 10230, 10290, 10395, 10633, 11319, 11718, 11935, 13230, 13671, 14322, 14553, 15190, 15345, 15435, 16170, 16709, 18414, 18522, 18865, 19530, 20790, 21266, 21483, 22638, 22785, 23870, 24255, 27342, 29106, 29295, 30690, 30870, 31899, 33418, 33957, 35805, 37730, 41013, 42966, 45570, 46035, 46305, 48510, 50127, 53165, 56595, 58590, 63798, 64449, 67914, 68355, 71610, 72765, 82026, 83545, 92070, 92610, 95697, 100254, 101871, 106330, 107415, 113190, 116963, 128898, 136710, 145530, 150381, 159495, 167090, 169785, 191394, 203742, 205065, 214830, 233926, 250635, 287091, 300762, 318990, 322245, 339570, 350889, 410130, 451143, 478485, 501270, 509355, 574182, 584815, 644490, 701778, 751905, 902286, 956970, 1018710, 1052667, 1169630, 1435455, 1503810, 1754445, 2105334, 2255715, 2870910, 3158001, 3508890, 4511430, 5263335, 6316002, 10526670, 15790005, 31580010]

約数ペア:

[(1, 31580010), (2, 15790005), (3, 10526670), (5, 6316002), (6, 5263335), (7, 4511430), (9, 3508890), (10, 3158001), (11, 2870910), (14, 2255715), (15, 2105334), (18, 1754445), (21, 1503810), (22, 1435455), (27, 1169630), (30, 1052667), (31, 1018710), (33, 956970), (35, 902286), (42, 751905), (45, 701778), (49, 644490), (54, 584815), (55, 574182), (62, 509355), (63, 501270), (66, 478485), (70, 451143), (77, 410130), (90, 350889), (93, 339570), (98, 322245), (99, 318990), (105, 300762), (110, 287091), (126, 250635), (135, 233926), (147, 214830), (154, 205065), (155, 203742), (165, 191394), (186, 169785), (189, 167090), (198, 159495), (210, 150381), (217, 145530), (231, 136710), (245, 128898), (270, 116963), (279, 113190), (294, 107415), (297, 106330), (310, 101871), (315, 100254), (330, 95697), (341, 92610), (343, 92070), (378, 83545), (385, 82026), (434, 72765), (441, 71610), (462, 68355), (465, 67914), (490, 64449), (495, 63798), (539, 58590), (558, 56595), (594, 53165), (630, 50127), (651, 48510), (682, 46305), (686, 46035), (693, 45570), (735, 42966), (770, 41013), (837, 37730), (882, 35805), (930, 33957), (945, 33418), (990, 31899), (1023, 30870), (1029, 30690), (1078, 29295), (1085, 29106), (1155, 27342), (1302, 24255), (1323, 23870), (1386, 22785), (1395, 22638), (1470, 21483), (1485, 21266), (1519, 20790), (1617, 19530), (1674, 18865), (1705, 18522), (1715, 18414), (1890, 16709), (1953, 16170), (2046, 15435), (2058, 15345), (2079, 15190), (2170, 14553), (2205, 14322), (2310, 13671), (2387, 13230), (2646, 11935), (2695, 11718), (2790, 11319), (2970, 10633), (3038, 10395), (3069, 10290), (3087, 10230), (3234, 9765), (3255, 9702), (3410, 9261), (3430, 9207), (3465, 9114), (3773, 8370), (3906, 8085), (4158, 7595), (4185, 7546), (4410, 7161), (4557, 6930), (4774, 6615), (4851, 6510), (5115, 6174), (5145, 6138), (5390, 5859)]