80913780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 263390400

約数和(自身を除く): 182476620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 59, 60, 76, 90, 95, 114, 118, 171, 177, 180, 190, 228, 236, 285, 295, 342, 354, 380, 401, 531, 570, 590, 684, 708, 802, 855, 885, 1062, 1121, 1140, 1180, 1203, 1604, 1710, 1770, 2005, 2124, 2242, 2406, 2655, 3363, 3420, 3540, 3609, 4010, 4484, 4812, 5310, 5605, 6015, 6726, 7218, 7619, 8020, 10089, 10620, 11210, 12030, 13452, 14436, 15238, 16815, 18045, 20178, 22420, 22857, 23659, 24060, 30476, 33630, 36090, 38095, 40356, 45714, 47318, 50445, 67260, 68571, 70977, 72180, 76190, 91428, 94636, 100890, 114285, 118295, 137142, 141954, 152380, 201780, 212931, 228570, 236590, 274284, 283908, 342855, 354885, 425862, 449521, 457140, 473180, 685710, 709770, 851724, 899042, 1064655, 1348563, 1371420, 1419540, 1798084, 2129310, 2247605, 2697126, 4045689, 4258620, 4495210, 5394252, 6742815, 8091378, 8990420, 13485630, 16182756, 20228445, 26971260, 40456890, 80913780]

約数ペア:

[(1, 80913780), (2, 40456890), (3, 26971260), (4, 20228445), (5, 16182756), (6, 13485630), (9, 8990420), (10, 8091378), (12, 6742815), (15, 5394252), (18, 4495210), (19, 4258620), (20, 4045689), (30, 2697126), (36, 2247605), (38, 2129310), (45, 1798084), (57, 1419540), (59, 1371420), (60, 1348563), (76, 1064655), (90, 899042), (95, 851724), (114, 709770), (118, 685710), (171, 473180), (177, 457140), (180, 449521), (190, 425862), (228, 354885), (236, 342855), (285, 283908), (295, 274284), (342, 236590), (354, 228570), (380, 212931), (401, 201780), (531, 152380), (570, 141954), (590, 137142), (684, 118295), (708, 114285), (802, 100890), (855, 94636), (885, 91428), (1062, 76190), (1121, 72180), (1140, 70977), (1180, 68571), (1203, 67260), (1604, 50445), (1710, 47318), (1770, 45714), (2005, 40356), (2124, 38095), (2242, 36090), (2406, 33630), (2655, 30476), (3363, 24060), (3420, 23659), (3540, 22857), (3609, 22420), (4010, 20178), (4484, 18045), (4812, 16815), (5310, 15238), (5605, 14436), (6015, 13452), (6726, 12030), (7218, 11210), (7619, 10620), (8020, 10089)]