142156980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 495855360

約数和(自身を除く): 353698380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 257, 315, 420, 439, 514, 630, 771, 878, 1028, 1260, 1285, 1317, 1542, 1756, 1799, 2195, 2313, 2570, 2634, 3073, 3084, 3598, 3855, 3951, 4390, 4626, 5140, 5268, 5397, 6146, 6585, 7196, 7710, 7902, 8780, 8995, 9219, 9252, 10794, 11565, 12292, 13170, 15365, 15420, 15804, 16191, 17990, 18438, 19755, 21588, 23130, 26340, 26985, 27657, 30730, 32382, 35980, 36876, 39510, 46095, 46260, 53970, 55314, 61460, 64764, 79020, 80955, 92190, 107940, 110628, 112823, 138285, 161910, 184380, 225646, 276570, 323820, 338469, 451292, 553140, 564115, 676938, 789761, 1015407, 1128230, 1353876, 1579522, 1692345, 2030814, 2256460, 2369283, 3159044, 3384690, 3948805, 4061628, 4738566, 5077035, 6769380, 7107849, 7897610, 9477132, 10154070, 11846415, 14215698, 15795220, 20308140, 23692830, 28431396, 35539245, 47385660, 71078490, 142156980]

約数ペア:

[(1, 142156980), (2, 71078490), (3, 47385660), (4, 35539245), (5, 28431396), (6, 23692830), (7, 20308140), (9, 15795220), (10, 14215698), (12, 11846415), (14, 10154070), (15, 9477132), (18, 7897610), (20, 7107849), (21, 6769380), (28, 5077035), (30, 4738566), (35, 4061628), (36, 3948805), (42, 3384690), (45, 3159044), (60, 2369283), (63, 2256460), (70, 2030814), (84, 1692345), (90, 1579522), (105, 1353876), (126, 1128230), (140, 1015407), (180, 789761), (210, 676938), (252, 564115), (257, 553140), (315, 451292), (420, 338469), (439, 323820), (514, 276570), (630, 225646), (771, 184380), (878, 161910), (1028, 138285), (1260, 112823), (1285, 110628), (1317, 107940), (1542, 92190), (1756, 80955), (1799, 79020), (2195, 64764), (2313, 61460), (2570, 55314), (2634, 53970), (3073, 46260), (3084, 46095), (3598, 39510), (3855, 36876), (3951, 35980), (4390, 32382), (4626, 30730), (5140, 27657), (5268, 26985), (5397, 26340), (6146, 23130), (6585, 21588), (7196, 19755), (7710, 18438), (7902, 17990), (8780, 16191), (8995, 15804), (9219, 15420), (9252, 15365), (10794, 13170), (11565, 12292)]