81446300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 205320192

約数和(自身を除く): 123873892

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 43, 47, 50, 52, 62, 65, 86, 94, 100, 124, 130, 155, 172, 188, 215, 235, 260, 310, 325, 403, 430, 470, 559, 611, 620, 650, 775, 806, 860, 940, 1075, 1118, 1175, 1222, 1300, 1333, 1457, 1550, 1612, 2015, 2021, 2150, 2236, 2350, 2444, 2666, 2795, 2914, 3055, 3100, 4030, 4042, 4300, 4700, 5332, 5590, 5828, 6110, 6665, 7285, 8060, 8084, 10075, 10105, 11180, 12220, 13330, 13975, 14570, 15275, 17329, 18941, 20150, 20210, 26273, 26660, 27950, 29140, 30550, 33325, 34658, 36425, 37882, 40300, 40420, 50525, 52546, 55900, 61100, 62651, 66650, 69316, 72850, 75764, 86645, 94705, 101050, 105092, 125302, 131365, 133300, 145700, 173290, 189410, 202100, 250604, 262730, 313255, 346580, 378820, 433225, 473525, 525460, 626510, 656825, 814463, 866450, 947050, 1253020, 1313650, 1566275, 1628926, 1732900, 1894100, 2627300, 3132550, 3257852, 4072315, 6265100, 8144630, 16289260, 20361575, 40723150, 81446300]

約数ペア:

[(1, 81446300), (2, 40723150), (4, 20361575), (5, 16289260), (10, 8144630), (13, 6265100), (20, 4072315), (25, 3257852), (26, 3132550), (31, 2627300), (43, 1894100), (47, 1732900), (50, 1628926), (52, 1566275), (62, 1313650), (65, 1253020), (86, 947050), (94, 866450), (100, 814463), (124, 656825), (130, 626510), (155, 525460), (172, 473525), (188, 433225), (215, 378820), (235, 346580), (260, 313255), (310, 262730), (325, 250604), (403, 202100), (430, 189410), (470, 173290), (559, 145700), (611, 133300), (620, 131365), (650, 125302), (775, 105092), (806, 101050), (860, 94705), (940, 86645), (1075, 75764), (1118, 72850), (1175, 69316), (1222, 66650), (1300, 62651), (1333, 61100), (1457, 55900), (1550, 52546), (1612, 50525), (2015, 40420), (2021, 40300), (2150, 37882), (2236, 36425), (2350, 34658), (2444, 33325), (2666, 30550), (2795, 29140), (2914, 27950), (3055, 26660), (3100, 26273), (4030, 20210), (4042, 20150), (4300, 18941), (4700, 17329), (5332, 15275), (5590, 14570), (5828, 13975), (6110, 13330), (6665, 12220), (7285, 11180), (8060, 10105), (8084, 10075)]