80946580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 210212352

約数和(自身を除く): 129265772

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 83, 110, 121, 124, 130, 143, 155, 166, 220, 242, 260, 286, 310, 332, 341, 403, 415, 484, 572, 605, 620, 682, 715, 806, 830, 913, 1079, 1210, 1364, 1430, 1573, 1612, 1660, 1705, 1826, 2015, 2158, 2420, 2573, 2860, 3146, 3410, 3652, 3751, 4030, 4316, 4433, 4565, 5146, 5395, 6292, 6820, 7502, 7865, 8060, 8866, 9130, 10043, 10292, 10790, 11869, 12865, 15004, 15730, 17732, 18260, 18755, 20086, 21580, 22165, 23738, 25730, 28303, 31460, 33449, 37510, 40172, 44330, 47476, 48763, 50215, 51460, 56606, 59345, 66898, 75020, 88660, 97526, 100430, 113212, 118690, 130559, 133796, 141515, 167245, 195052, 200860, 237380, 243815, 261118, 283030, 311333, 334490, 367939, 487630, 522236, 566060, 622666, 652795, 668980, 735878, 975260, 1245332, 1305590, 1471756, 1556665, 1839695, 2611180, 3113330, 3679390, 4047329, 6226660, 7358780, 8094658, 16189316, 20236645, 40473290, 80946580]

約数ペア:

[(1, 80946580), (2, 40473290), (4, 20236645), (5, 16189316), (10, 8094658), (11, 7358780), (13, 6226660), (20, 4047329), (22, 3679390), (26, 3113330), (31, 2611180), (44, 1839695), (52, 1556665), (55, 1471756), (62, 1305590), (65, 1245332), (83, 975260), (110, 735878), (121, 668980), (124, 652795), (130, 622666), (143, 566060), (155, 522236), (166, 487630), (220, 367939), (242, 334490), (260, 311333), (286, 283030), (310, 261118), (332, 243815), (341, 237380), (403, 200860), (415, 195052), (484, 167245), (572, 141515), (605, 133796), (620, 130559), (682, 118690), (715, 113212), (806, 100430), (830, 97526), (913, 88660), (1079, 75020), (1210, 66898), (1364, 59345), (1430, 56606), (1573, 51460), (1612, 50215), (1660, 48763), (1705, 47476), (1826, 44330), (2015, 40172), (2158, 37510), (2420, 33449), (2573, 31460), (2860, 28303), (3146, 25730), (3410, 23738), (3652, 22165), (3751, 21580), (4030, 20086), (4316, 18755), (4433, 18260), (4565, 17732), (5146, 15730), (5395, 15004), (6292, 12865), (6820, 11869), (7502, 10790), (7865, 10292), (8060, 10043), (8866, 9130)]