309905820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3671}}^1$

素因数の和:3760

約数の個数: 144

約数和(自身を含む): 1090672128

約数和(自身を除く): 780766308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 252, 268, 315, 335, 402, 420, 469, 603, 630, 670, 804, 938, 1005, 1206, 1260, 1340, 1407, 1876, 2010, 2345, 2412, 2814, 3015, 3671, 4020, 4221, 4690, 5628, 6030, 7035, 7342, 8442, 9380, 11013, 12060, 14070, 14684, 16884, 18355, 21105, 22026, 25697, 28140, 33039, 36710, 42210, 44052, 51394, 55065, 66078, 73420, 77091, 84420, 102788, 110130, 128485, 132156, 154182, 165195, 220260, 231273, 245957, 256970, 308364, 330390, 385455, 462546, 491914, 513940, 660780, 737871, 770910, 925092, 983828, 1156365, 1229785, 1475742, 1541820, 1721699, 2213613, 2312730, 2459570, 2951484, 3443398, 3689355, 4427226, 4625460, 4919140, 5165097, 6886796, 7378710, 8608495, 8854452, 10330194, 11068065, 14757420, 15495291, 17216990, 20660388, 22136130, 25825485, 30990582, 34433980, 44272260, 51650970, 61981164, 77476455, 103301940, 154952910, 309905820]

約数ペア:

[(1, 309905820), (2, 154952910), (3, 103301940), (4, 77476455), (5, 61981164), (6, 51650970), (7, 44272260), (9, 34433980), (10, 30990582), (12, 25825485), (14, 22136130), (15, 20660388), (18, 17216990), (20, 15495291), (21, 14757420), (28, 11068065), (30, 10330194), (35, 8854452), (36, 8608495), (42, 7378710), (45, 6886796), (60, 5165097), (63, 4919140), (67, 4625460), (70, 4427226), (84, 3689355), (90, 3443398), (105, 2951484), (126, 2459570), (134, 2312730), (140, 2213613), (180, 1721699), (201, 1541820), (210, 1475742), (252, 1229785), (268, 1156365), (315, 983828), (335, 925092), (402, 770910), (420, 737871), (469, 660780), (603, 513940), (630, 491914), (670, 462546), (804, 385455), (938, 330390), (1005, 308364), (1206, 256970), (1260, 245957), (1340, 231273), (1407, 220260), (1876, 165195), (2010, 154182), (2345, 132156), (2412, 128485), (2814, 110130), (3015, 102788), (3671, 84420), (4020, 77091), (4221, 73420), (4690, 66078), (5628, 55065), (6030, 51394), (7035, 44052), (7342, 42210), (8442, 36710), (9380, 33039), (11013, 28140), (12060, 25697), (14070, 22026), (14684, 21105), (16884, 18355)]