20319863160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1\times {\mathrm{1667}}^1$

素因数の和:2485

約数の個数: 128

約数和(自身を含む): 61479544320

約数和(自身を除く): 41159681160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 647, 785, 942, 1256, 1294, 1570, 1667, 1884, 1941, 2355, 2588, 3140, 3235, 3334, 3768, 3882, 4710, 5001, 5176, 6280, 6470, 6668, 7764, 8335, 9420, 9705, 10002, 12940, 13336, 15528, 16670, 18840, 19410, 20004, 25005, 25880, 33340, 38820, 40008, 50010, 66680, 77640, 100020, 101579, 200040, 203158, 261719, 304737, 406316, 507895, 523438, 609474, 785157, 812632, 1015790, 1046876, 1078549, 1218948, 1308595, 1523685, 1570314, 2031580, 2093752, 2157098, 2437896, 2617190, 3047370, 3140628, 3235647, 3925785, 4063160, 4314196, 5234380, 5392745, 6094740, 6281256, 6471294, 7851570, 8628392, 10468760, 10785490, 12189480, 12942588, 15703140, 16178235, 21570980, 25885176, 31406280, 32356470, 43141960, 64712940, 129425880, 169332193, 338664386, 507996579, 677328772, 846660965, 1015993158, 1354657544, 1693321930, 2031986316, 2539982895, 3386643860, 4063972632, 5079965790, 6773287720, 10159931580, 20319863160]

約数ペア:

[(1, 20319863160), (2, 10159931580), (3, 6773287720), (4, 5079965790), (5, 4063972632), (6, 3386643860), (8, 2539982895), (10, 2031986316), (12, 1693321930), (15, 1354657544), (20, 1015993158), (24, 846660965), (30, 677328772), (40, 507996579), (60, 338664386), (120, 169332193), (157, 129425880), (314, 64712940), (471, 43141960), (628, 32356470), (647, 31406280), (785, 25885176), (942, 21570980), (1256, 16178235), (1294, 15703140), (1570, 12942588), (1667, 12189480), (1884, 10785490), (1941, 10468760), (2355, 8628392), (2588, 7851570), (3140, 6471294), (3235, 6281256), (3334, 6094740), (3768, 5392745), (3882, 5234380), (4710, 4314196), (5001, 4063160), (5176, 3925785), (6280, 3235647), (6470, 3140628), (6668, 3047370), (7764, 2617190), (8335, 2437896), (9420, 2157098), (9705, 2093752), (10002, 2031580), (12940, 1570314), (13336, 1523685), (15528, 1308595), (16670, 1218948), (18840, 1078549), (19410, 1046876), (20004, 1015790), (25005, 812632), (25880, 785157), (33340, 609474), (38820, 523438), (40008, 507895), (50010, 406316), (66680, 304737), (77640, 261719), (100020, 203158), (101579, 200040)]