213569720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2605

約数の個数: 128

約数和(自身を含む): 617379840

約数和(自身を除く): 403810120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2551, 2990, 3220, 3640, 4186, 5102, 5980, 6440, 8372, 10204, 10465, 11960, 12755, 16744, 17857, 20408, 20930, 25510, 33163, 35714, 41860, 51020, 58673, 66326, 71428, 83720, 89285, 102040, 117346, 132652, 142856, 165815, 178570, 232141, 234692, 265304, 293365, 331630, 357140, 410711, 464282, 469384, 586730, 663260, 714280, 762749, 821422, 928564, 1160705, 1173460, 1326520, 1525498, 1642844, 1857128, 2053555, 2321410, 2346920, 3050996, 3285688, 3813745, 4107110, 4642820, 5339243, 6101992, 7627490, 8214220, 9285640, 10678486, 15254980, 16428440, 21356972, 26696215, 30509960, 42713944, 53392430, 106784860, 213569720]

約数ペア:

[(1, 213569720), (2, 106784860), (4, 53392430), (5, 42713944), (7, 30509960), (8, 26696215), (10, 21356972), (13, 16428440), (14, 15254980), (20, 10678486), (23, 9285640), (26, 8214220), (28, 7627490), (35, 6101992), (40, 5339243), (46, 4642820), (52, 4107110), (56, 3813745), (65, 3285688), (70, 3050996), (91, 2346920), (92, 2321410), (104, 2053555), (115, 1857128), (130, 1642844), (140, 1525498), (161, 1326520), (182, 1173460), (184, 1160705), (230, 928564), (260, 821422), (280, 762749), (299, 714280), (322, 663260), (364, 586730), (455, 469384), (460, 464282), (520, 410711), (598, 357140), (644, 331630), (728, 293365), (805, 265304), (910, 234692), (920, 232141), (1196, 178570), (1288, 165815), (1495, 142856), (1610, 132652), (1820, 117346), (2093, 102040), (2392, 89285), (2551, 83720), (2990, 71428), (3220, 66326), (3640, 58673), (4186, 51020), (5102, 41860), (5980, 35714), (6440, 33163), (8372, 25510), (10204, 20930), (10465, 20408), (11960, 17857), (12755, 16744)]