18450900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 216

約数和(自身を含む): 66349920

約数和(自身を除く): 47899020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 30, 36, 38, 39, 45, 50, 52, 57, 60, 65, 75, 76, 78, 83, 90, 95, 100, 114, 117, 130, 150, 156, 166, 171, 180, 190, 195, 225, 228, 234, 247, 249, 260, 285, 300, 325, 332, 342, 380, 390, 415, 450, 468, 475, 494, 498, 570, 585, 650, 684, 741, 747, 780, 830, 855, 900, 950, 975, 988, 996, 1079, 1140, 1170, 1235, 1245, 1300, 1425, 1482, 1494, 1577, 1660, 1710, 1900, 1950, 2075, 2158, 2223, 2340, 2470, 2490, 2850, 2925, 2964, 2988, 3154, 3237, 3420, 3705, 3735, 3900, 4150, 4275, 4316, 4446, 4731, 4940, 4980, 5395, 5700, 5850, 6175, 6225, 6308, 6474, 7410, 7470, 7885, 8300, 8550, 8892, 9462, 9711, 10790, 11115, 11700, 12350, 12450, 12948, 14193, 14820, 14940, 15770, 16185, 17100, 18525, 18675, 18924, 19422, 20501, 21580, 22230, 23655, 24700, 24900, 26975, 28386, 31540, 32370, 37050, 37350, 38844, 39425, 41002, 44460, 47310, 48555, 53950, 55575, 56772, 61503, 64740, 70965, 74100, 74700, 78850, 80925, 82004, 94620, 97110, 102505, 107900, 111150, 118275, 123006, 141930, 157700, 161850, 184509, 194220, 205010, 222300, 236550, 242775, 246012, 283860, 307515, 323700, 354825, 369018, 410020, 473100, 485550, 512525, 615030, 709650, 738036, 922545, 971100, 1025050, 1230060, 1419300, 1537575, 1845090, 2050100, 3075150, 3690180, 4612725, 6150300, 9225450, 18450900]

約数ペア:

[(1, 18450900), (2, 9225450), (3, 6150300), (4, 4612725), (5, 3690180), (6, 3075150), (9, 2050100), (10, 1845090), (12, 1537575), (13, 1419300), (15, 1230060), (18, 1025050), (19, 971100), (20, 922545), (25, 738036), (26, 709650), (30, 615030), (36, 512525), (38, 485550), (39, 473100), (45, 410020), (50, 369018), (52, 354825), (57, 323700), (60, 307515), (65, 283860), (75, 246012), (76, 242775), (78, 236550), (83, 222300), (90, 205010), (95, 194220), (100, 184509), (114, 161850), (117, 157700), (130, 141930), (150, 123006), (156, 118275), (166, 111150), (171, 107900), (180, 102505), (190, 97110), (195, 94620), (225, 82004), (228, 80925), (234, 78850), (247, 74700), (249, 74100), (260, 70965), (285, 64740), (300, 61503), (325, 56772), (332, 55575), (342, 53950), (380, 48555), (390, 47310), (415, 44460), (450, 41002), (468, 39425), (475, 38844), (494, 37350), (498, 37050), (570, 32370), (585, 31540), (650, 28386), (684, 26975), (741, 24900), (747, 24700), (780, 23655), (830, 22230), (855, 21580), (900, 20501), (950, 19422), (975, 18924), (988, 18675), (996, 18525), (1079, 17100), (1140, 16185), (1170, 15770), (1235, 14940), (1245, 14820), (1300, 14193), (1425, 12948), (1482, 12450), (1494, 12350), (1577, 11700), (1660, 11115), (1710, 10790), (1900, 9711), (1950, 9462), (2075, 8892), (2158, 8550), (2223, 8300), (2340, 7885), (2470, 7470), (2490, 7410), (2850, 6474), (2925, 6308), (2964, 6225), (2988, 6175), (3154, 5850), (3237, 5700), (3420, 5395), (3705, 4980), (3735, 4940), (3900, 4731), (4150, 4446), (4275, 4316)]