31780350

素因数分解:

$2^1\times 3^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 240

約数和(自身を含む): 108028800

約数和(自身を除く): 76248450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 27, 30, 35, 38, 42, 45, 50, 54, 57, 59, 63, 70, 75, 81, 90, 95, 105, 114, 118, 126, 133, 135, 150, 162, 171, 175, 177, 189, 190, 210, 225, 266, 270, 285, 295, 315, 342, 350, 354, 378, 399, 405, 413, 450, 475, 513, 525, 531, 567, 570, 590, 630, 665, 675, 798, 810, 826, 855, 885, 945, 950, 1026, 1050, 1062, 1121, 1134, 1197, 1239, 1330, 1350, 1425, 1475, 1539, 1575, 1593, 1710, 1770, 1890, 1995, 2025, 2065, 2242, 2394, 2478, 2565, 2655, 2835, 2850, 2950, 3078, 3150, 3186, 3325, 3363, 3591, 3717, 3990, 4050, 4130, 4275, 4425, 4725, 4779, 5130, 5310, 5605, 5670, 5985, 6195, 6650, 6726, 7182, 7434, 7695, 7847, 7965, 8550, 8850, 9450, 9558, 9975, 10089, 10325, 10773, 11151, 11210, 11970, 12390, 12825, 13275, 14175, 15390, 15694, 15930, 16815, 17955, 18585, 19950, 20178, 20650, 21546, 22302, 23541, 23895, 25650, 26550, 28025, 28350, 29925, 30267, 30975, 33453, 33630, 35910, 37170, 38475, 39235, 39825, 47082, 47790, 50445, 53865, 55755, 56050, 59850, 60534, 61950, 66906, 70623, 76950, 78470, 79650, 84075, 89775, 90801, 92925, 100890, 107730, 111510, 117705, 119475, 141246, 151335, 167265, 168150, 179550, 181602, 185850, 196175, 211869, 235410, 238950, 252225, 269325, 278775, 302670, 334530, 353115, 392350, 423738, 454005, 504450, 538650, 557550, 588525, 635607, 706230, 756675, 836325, 908010, 1059345, 1177050, 1271214, 1513350, 1672650, 1765575, 2118690, 2270025, 3178035, 3531150, 4540050, 5296725, 6356070, 10593450, 15890175, 31780350]

約数ペア:

[(1, 31780350), (2, 15890175), (3, 10593450), (5, 6356070), (6, 5296725), (7, 4540050), (9, 3531150), (10, 3178035), (14, 2270025), (15, 2118690), (18, 1765575), (19, 1672650), (21, 1513350), (25, 1271214), (27, 1177050), (30, 1059345), (35, 908010), (38, 836325), (42, 756675), (45, 706230), (50, 635607), (54, 588525), (57, 557550), (59, 538650), (63, 504450), (70, 454005), (75, 423738), (81, 392350), (90, 353115), (95, 334530), (105, 302670), (114, 278775), (118, 269325), (126, 252225), (133, 238950), (135, 235410), (150, 211869), (162, 196175), (171, 185850), (175, 181602), (177, 179550), (189, 168150), (190, 167265), (210, 151335), (225, 141246), (266, 119475), (270, 117705), (285, 111510), (295, 107730), (315, 100890), (342, 92925), (350, 90801), (354, 89775), (378, 84075), (399, 79650), (405, 78470), (413, 76950), (450, 70623), (475, 66906), (513, 61950), (525, 60534), (531, 59850), (567, 56050), (570, 55755), (590, 53865), (630, 50445), (665, 47790), (675, 47082), (798, 39825), (810, 39235), (826, 38475), (855, 37170), (885, 35910), (945, 33630), (950, 33453), (1026, 30975), (1050, 30267), (1062, 29925), (1121, 28350), (1134, 28025), (1197, 26550), (1239, 25650), (1330, 23895), (1350, 23541), (1425, 22302), (1475, 21546), (1539, 20650), (1575, 20178), (1593, 19950), (1710, 18585), (1770, 17955), (1890, 16815), (1995, 15930), (2025, 15694), (2065, 15390), (2242, 14175), (2394, 13275), (2478, 12825), (2565, 12390), (2655, 11970), (2835, 11210), (2850, 11151), (2950, 10773), (3078, 10325), (3150, 10089), (3186, 9975), (3325, 9558), (3363, 9450), (3591, 8850), (3717, 8550), (3990, 7965), (4050, 7847), (4130, 7695), (4275, 7434), (4425, 7182), (4725, 6726), (4779, 6650), (5130, 6195), (5310, 5985), (5605, 5670)]