177870420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10859}}^1$

素因数の和:10894

約数の個数: 144

約数和(自身を含む): 664110720

約数和(自身を除く): 486240300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 10859, 16380, 21718, 32577, 43436, 54295, 65154, 76013, 97731, 108590, 130308, 141167, 152026, 162885, 195462, 217180, 228039, 282334, 304052, 325770, 380065, 390924, 423501, 456078, 488655, 564668, 651540, 684117, 705835, 760130, 847002, 912156, 977310, 988169, 1140195, 1270503, 1368234, 1411670, 1520260, 1694004, 1954620, 1976338, 2117505, 2280390, 2541006, 2736468, 2823340, 2964507, 3420585, 3952676, 4235010, 4560780, 4940845, 5082012, 5929014, 6352515, 6841170, 8470020, 8893521, 9881690, 11858028, 12705030, 13682340, 14822535, 17787042, 19763380, 25410060, 29645070, 35574084, 44467605, 59290140, 88935210, 177870420]

約数ペア:

[(1, 177870420), (2, 88935210), (3, 59290140), (4, 44467605), (5, 35574084), (6, 29645070), (7, 25410060), (9, 19763380), (10, 17787042), (12, 14822535), (13, 13682340), (14, 12705030), (15, 11858028), (18, 9881690), (20, 8893521), (21, 8470020), (26, 6841170), (28, 6352515), (30, 5929014), (35, 5082012), (36, 4940845), (39, 4560780), (42, 4235010), (45, 3952676), (52, 3420585), (60, 2964507), (63, 2823340), (65, 2736468), (70, 2541006), (78, 2280390), (84, 2117505), (90, 1976338), (91, 1954620), (105, 1694004), (117, 1520260), (126, 1411670), (130, 1368234), (140, 1270503), (156, 1140195), (180, 988169), (182, 977310), (195, 912156), (210, 847002), (234, 760130), (252, 705835), (260, 684117), (273, 651540), (315, 564668), (364, 488655), (390, 456078), (420, 423501), (455, 390924), (468, 380065), (546, 325770), (585, 304052), (630, 282334), (780, 228039), (819, 217180), (910, 195462), (1092, 162885), (1170, 152026), (1260, 141167), (1365, 130308), (1638, 108590), (1820, 97731), (2340, 76013), (2730, 65154), (3276, 54295), (4095, 43436), (5460, 32577), (8190, 21718), (10859, 16380)]