74417940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:739

約数の個数: 120

約数和(自身を含む): 237105792

約数和(自身を除く): 162687852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 647, 710, 810, 852, 1065, 1278, 1294, 1420, 1620, 1917, 1941, 2130, 2556, 2588, 3195, 3235, 3834, 3882, 4260, 5751, 5823, 6390, 6470, 7668, 7764, 9585, 9705, 11502, 11646, 12780, 12940, 17469, 19170, 19410, 23004, 23292, 28755, 29115, 34938, 38340, 38820, 45937, 52407, 57510, 58230, 69876, 87345, 91874, 104814, 115020, 116460, 137811, 174690, 183748, 209628, 229685, 262035, 275622, 349380, 413433, 459370, 524070, 551244, 689055, 826866, 918740, 1048140, 1240299, 1378110, 1653732, 2067165, 2480598, 2756220, 3720897, 4134330, 4961196, 6201495, 7441794, 8268660, 12402990, 14883588, 18604485, 24805980, 37208970, 74417940]

約数ペア:

[(1, 74417940), (2, 37208970), (3, 24805980), (4, 18604485), (5, 14883588), (6, 12402990), (9, 8268660), (10, 7441794), (12, 6201495), (15, 4961196), (18, 4134330), (20, 3720897), (27, 2756220), (30, 2480598), (36, 2067165), (45, 1653732), (54, 1378110), (60, 1240299), (71, 1048140), (81, 918740), (90, 826866), (108, 689055), (135, 551244), (142, 524070), (162, 459370), (180, 413433), (213, 349380), (270, 275622), (284, 262035), (324, 229685), (355, 209628), (405, 183748), (426, 174690), (540, 137811), (639, 116460), (647, 115020), (710, 104814), (810, 91874), (852, 87345), (1065, 69876), (1278, 58230), (1294, 57510), (1420, 52407), (1620, 45937), (1917, 38820), (1941, 38340), (2130, 34938), (2556, 29115), (2588, 28755), (3195, 23292), (3235, 23004), (3834, 19410), (3882, 19170), (4260, 17469), (5751, 12940), (5823, 12780), (6390, 11646), (6470, 11502), (7668, 9705), (7764, 9585)]