278729100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2647}}^1$

素因数の和:2686

約数の個数: 180

約数和(自身を含む): 973399504

約数和(自身を除く): 694670404

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, 180, 195, 225, 234, 260, 270, 300, 324, 325, 351, 390, 405, 450, 468, 540, 585, 650, 675, 702, 780, 810, 900, 975, 1053, 1170, 1300, 1350, 1404, 1620, 1755, 1950, 2025, 2106, 2340, 2647, 2700, 2925, 3510, 3900, 4050, 4212, 5265, 5294, 5850, 7020, 7941, 8100, 8775, 10530, 10588, 11700, 13235, 15882, 17550, 21060, 23823, 26325, 26470, 31764, 34411, 35100, 39705, 47646, 52650, 52940, 66175, 68822, 71469, 79410, 95292, 103233, 105300, 119115, 132350, 137644, 142938, 158820, 172055, 198525, 206466, 214407, 238230, 264700, 285876, 309699, 344110, 357345, 397050, 412932, 428814, 476460, 516165, 595575, 619398, 688220, 714690, 794100, 857628, 860275, 929097, 1032330, 1072035, 1191150, 1238796, 1429380, 1548495, 1720550, 1786725, 1858194, 2064660, 2144070, 2382300, 2580825, 2787291, 3096990, 3441100, 3573450, 3716388, 4288140, 4645485, 5161650, 5360175, 5574582, 6193980, 7146900, 7742475, 9290970, 10323300, 10720350, 11149164, 13936455, 15484950, 18581940, 21440700, 23227425, 27872910, 30969900, 46454850, 55745820, 69682275, 92909700, 139364550, 278729100]

約数ペア:

[(1, 278729100), (2, 139364550), (3, 92909700), (4, 69682275), (5, 55745820), (6, 46454850), (9, 30969900), (10, 27872910), (12, 23227425), (13, 21440700), (15, 18581940), (18, 15484950), (20, 13936455), (25, 11149164), (26, 10720350), (27, 10323300), (30, 9290970), (36, 7742475), (39, 7146900), (45, 6193980), (50, 5574582), (52, 5360175), (54, 5161650), (60, 4645485), (65, 4288140), (75, 3716388), (78, 3573450), (81, 3441100), (90, 3096990), (100, 2787291), (108, 2580825), (117, 2382300), (130, 2144070), (135, 2064660), (150, 1858194), (156, 1786725), (162, 1720550), (180, 1548495), (195, 1429380), (225, 1238796), (234, 1191150), (260, 1072035), (270, 1032330), (300, 929097), (324, 860275), (325, 857628), (351, 794100), (390, 714690), (405, 688220), (450, 619398), (468, 595575), (540, 516165), (585, 476460), (650, 428814), (675, 412932), (702, 397050), (780, 357345), (810, 344110), (900, 309699), (975, 285876), (1053, 264700), (1170, 238230), (1300, 214407), (1350, 206466), (1404, 198525), (1620, 172055), (1755, 158820), (1950, 142938), (2025, 137644), (2106, 132350), (2340, 119115), (2647, 105300), (2700, 103233), (2925, 95292), (3510, 79410), (3900, 71469), (4050, 68822), (4212, 66175), (5265, 52940), (5294, 52650), (5850, 47646), (7020, 39705), (7941, 35100), (8100, 34411), (8775, 31764), (10530, 26470), (10588, 26325), (11700, 23823), (13235, 21060), (15882, 17550)]