18216900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:212

約数の個数: 180

約数和(自身を含む): 63962052

約数和(自身を除く): 45745152

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 108, 117, 130, 135, 150, 156, 162, 173, 180, 195, 225, 234, 260, 270, 300, 324, 325, 346, 351, 390, 405, 450, 468, 519, 540, 585, 650, 675, 692, 702, 780, 810, 865, 900, 975, 1038, 1053, 1170, 1300, 1350, 1404, 1557, 1620, 1730, 1755, 1950, 2025, 2076, 2106, 2249, 2340, 2595, 2700, 2925, 3114, 3460, 3510, 3900, 4050, 4212, 4325, 4498, 4671, 5190, 5265, 5850, 6228, 6747, 7020, 7785, 8100, 8650, 8775, 8996, 9342, 10380, 10530, 11245, 11700, 12975, 13494, 14013, 15570, 17300, 17550, 18684, 20241, 21060, 22490, 23355, 25950, 26325, 26988, 28026, 31140, 33735, 35100, 38925, 40482, 44980, 46710, 51900, 52650, 56052, 56225, 60723, 67470, 70065, 77850, 80964, 93420, 101205, 105300, 112450, 116775, 121446, 134940, 140130, 155700, 168675, 182169, 202410, 224900, 233550, 242892, 280260, 303615, 337350, 350325, 364338, 404820, 467100, 506025, 607230, 674700, 700650, 728676, 910845, 1012050, 1214460, 1401300, 1518075, 1821690, 2024100, 3036150, 3643380, 4554225, 6072300, 9108450, 18216900]

約数ペア:

[(1, 18216900), (2, 9108450), (3, 6072300), (4, 4554225), (5, 3643380), (6, 3036150), (9, 2024100), (10, 1821690), (12, 1518075), (13, 1401300), (15, 1214460), (18, 1012050), (20, 910845), (25, 728676), (26, 700650), (27, 674700), (30, 607230), (36, 506025), (39, 467100), (45, 404820), (50, 364338), (52, 350325), (54, 337350), (60, 303615), (65, 280260), (75, 242892), (78, 233550), (81, 224900), (90, 202410), (100, 182169), (108, 168675), (117, 155700), (130, 140130), (135, 134940), (150, 121446), (156, 116775), (162, 112450), (173, 105300), (180, 101205), (195, 93420), (225, 80964), (234, 77850), (260, 70065), (270, 67470), (300, 60723), (324, 56225), (325, 56052), (346, 52650), (351, 51900), (390, 46710), (405, 44980), (450, 40482), (468, 38925), (519, 35100), (540, 33735), (585, 31140), (650, 28026), (675, 26988), (692, 26325), (702, 25950), (780, 23355), (810, 22490), (865, 21060), (900, 20241), (975, 18684), (1038, 17550), (1053, 17300), (1170, 15570), (1300, 14013), (1350, 13494), (1404, 12975), (1557, 11700), (1620, 11245), (1730, 10530), (1755, 10380), (1950, 9342), (2025, 8996), (2076, 8775), (2106, 8650), (2249, 8100), (2340, 7785), (2595, 7020), (2700, 6747), (2925, 6228), (3114, 5850), (3460, 5265), (3510, 5190), (3900, 4671), (4050, 4498), (4212, 4325)]