231769980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:461

約数の個数: 216

約数和(自身を含む): 803340720

約数和(自身を除く): 571570740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 169, 171, 180, 190, 195, 228, 234, 247, 260, 285, 338, 342, 380, 390, 401, 468, 494, 507, 570, 585, 676, 684, 741, 780, 802, 845, 855, 988, 1014, 1140, 1170, 1203, 1235, 1482, 1521, 1604, 1690, 1710, 2005, 2028, 2223, 2340, 2406, 2470, 2535, 2964, 3042, 3211, 3380, 3420, 3609, 3705, 4010, 4446, 4812, 4940, 5070, 5213, 6015, 6084, 6422, 7218, 7410, 7605, 7619, 8020, 8892, 9633, 10140, 10426, 11115, 12030, 12844, 14436, 14820, 15210, 15238, 15639, 16055, 18045, 19266, 20852, 22230, 22857, 24060, 26065, 28899, 30420, 30476, 31278, 32110, 36090, 38095, 38532, 44460, 45714, 46917, 48165, 52130, 57798, 62556, 64220, 67769, 68571, 72180, 76190, 78195, 91428, 93834, 96330, 99047, 104260, 114285, 115596, 135538, 137142, 144495, 152380, 156390, 187668, 192660, 198094, 203307, 228570, 234585, 271076, 274284, 288990, 297141, 312780, 338845, 342855, 396188, 406614, 457140, 469170, 495235, 577980, 594282, 609921, 677690, 685710, 813228, 891423, 938340, 990470, 1016535, 1188564, 1219842, 1287611, 1355380, 1371420, 1485705, 1782846, 1980940, 2033070, 2439684, 2575222, 2971410, 3049605, 3565692, 3862833, 4066140, 4457115, 5150444, 5942820, 6099210, 6438055, 7725666, 8914230, 11588499, 12198420, 12876110, 15451332, 17828460, 19314165, 23176998, 25752220, 38628330, 46353996, 57942495, 77256660, 115884990, 231769980]

約数ペア:

[(1, 231769980), (2, 115884990), (3, 77256660), (4, 57942495), (5, 46353996), (6, 38628330), (9, 25752220), (10, 23176998), (12, 19314165), (13, 17828460), (15, 15451332), (18, 12876110), (19, 12198420), (20, 11588499), (26, 8914230), (30, 7725666), (36, 6438055), (38, 6099210), (39, 5942820), (45, 5150444), (52, 4457115), (57, 4066140), (60, 3862833), (65, 3565692), (76, 3049605), (78, 2971410), (90, 2575222), (95, 2439684), (114, 2033070), (117, 1980940), (130, 1782846), (156, 1485705), (169, 1371420), (171, 1355380), (180, 1287611), (190, 1219842), (195, 1188564), (228, 1016535), (234, 990470), (247, 938340), (260, 891423), (285, 813228), (338, 685710), (342, 677690), (380, 609921), (390, 594282), (401, 577980), (468, 495235), (494, 469170), (507, 457140), (570, 406614), (585, 396188), (676, 342855), (684, 338845), (741, 312780), (780, 297141), (802, 288990), (845, 274284), (855, 271076), (988, 234585), (1014, 228570), (1140, 203307), (1170, 198094), (1203, 192660), (1235, 187668), (1482, 156390), (1521, 152380), (1604, 144495), (1690, 137142), (1710, 135538), (2005, 115596), (2028, 114285), (2223, 104260), (2340, 99047), (2406, 96330), (2470, 93834), (2535, 91428), (2964, 78195), (3042, 76190), (3211, 72180), (3380, 68571), (3420, 67769), (3609, 64220), (3705, 62556), (4010, 57798), (4446, 52130), (4812, 48165), (4940, 46917), (5070, 45714), (5213, 44460), (6015, 38532), (6084, 38095), (6422, 36090), (7218, 32110), (7410, 31278), (7605, 30476), (7619, 30420), (8020, 28899), (8892, 26065), (9633, 24060), (10140, 22857), (10426, 22230), (11115, 20852), (12030, 19266), (12844, 18045), (14436, 16055), (14820, 15639), (15210, 15238)]