120987900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^3\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 216

約数和(自身を含む): 421254288

約数和(自身を除く): 300266388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 101, 110, 121, 132, 150, 165, 180, 198, 202, 220, 225, 242, 275, 300, 303, 330, 363, 396, 404, 450, 484, 495, 505, 550, 605, 606, 660, 726, 825, 900, 909, 990, 1010, 1089, 1100, 1111, 1210, 1212, 1331, 1452, 1515, 1650, 1815, 1818, 1980, 2020, 2178, 2222, 2420, 2475, 2525, 2662, 3025, 3030, 3300, 3333, 3630, 3636, 3993, 4356, 4444, 4545, 4950, 5050, 5324, 5445, 5555, 6050, 6060, 6655, 6666, 7260, 7575, 7986, 9075, 9090, 9900, 9999, 10100, 10890, 11110, 11979, 12100, 12221, 13310, 13332, 15150, 15972, 16665, 18150, 18180, 19965, 19998, 21780, 22220, 22725, 23958, 24442, 26620, 27225, 27775, 30300, 33275, 33330, 36300, 36663, 39930, 39996, 45450, 47916, 48884, 49995, 54450, 55550, 59895, 61105, 66550, 66660, 73326, 79860, 83325, 90900, 99825, 99990, 108900, 109989, 111100, 119790, 122210, 133100, 134431, 146652, 166650, 183315, 199650, 199980, 219978, 239580, 244420, 249975, 268862, 299475, 305525, 333300, 366630, 399300, 403293, 439956, 499950, 537724, 549945, 598950, 611050, 672155, 733260, 806586, 916575, 999900, 1099890, 1197900, 1209879, 1222100, 1344310, 1613172, 1833150, 2016465, 2199780, 2419758, 2688620, 2749725, 3360775, 3666300, 4032930, 4839516, 5499450, 6049395, 6721550, 8065860, 10082325, 10998900, 12098790, 13443100, 20164650, 24197580, 30246975, 40329300, 60493950, 120987900]

約数ペア:

[(1, 120987900), (2, 60493950), (3, 40329300), (4, 30246975), (5, 24197580), (6, 20164650), (9, 13443100), (10, 12098790), (11, 10998900), (12, 10082325), (15, 8065860), (18, 6721550), (20, 6049395), (22, 5499450), (25, 4839516), (30, 4032930), (33, 3666300), (36, 3360775), (44, 2749725), (45, 2688620), (50, 2419758), (55, 2199780), (60, 2016465), (66, 1833150), (75, 1613172), (90, 1344310), (99, 1222100), (100, 1209879), (101, 1197900), (110, 1099890), (121, 999900), (132, 916575), (150, 806586), (165, 733260), (180, 672155), (198, 611050), (202, 598950), (220, 549945), (225, 537724), (242, 499950), (275, 439956), (300, 403293), (303, 399300), (330, 366630), (363, 333300), (396, 305525), (404, 299475), (450, 268862), (484, 249975), (495, 244420), (505, 239580), (550, 219978), (605, 199980), (606, 199650), (660, 183315), (726, 166650), (825, 146652), (900, 134431), (909, 133100), (990, 122210), (1010, 119790), (1089, 111100), (1100, 109989), (1111, 108900), (1210, 99990), (1212, 99825), (1331, 90900), (1452, 83325), (1515, 79860), (1650, 73326), (1815, 66660), (1818, 66550), (1980, 61105), (2020, 59895), (2178, 55550), (2222, 54450), (2420, 49995), (2475, 48884), (2525, 47916), (2662, 45450), (3025, 39996), (3030, 39930), (3300, 36663), (3333, 36300), (3630, 33330), (3636, 33275), (3993, 30300), (4356, 27775), (4444, 27225), (4545, 26620), (4950, 24442), (5050, 23958), (5324, 22725), (5445, 22220), (5555, 21780), (6050, 19998), (6060, 19965), (6655, 18180), (6666, 18150), (7260, 16665), (7575, 15972), (7986, 15150), (9075, 13332), (9090, 13310), (9900, 12221), (9999, 12100), (10100, 11979), (10890, 11110)]