203455980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12421}}^1$

素因数の和:12456

約数の個数: 144

約数和(自身を含む): 759630144

約数和(自身を除く): 556174164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 12421, 16380, 24842, 37263, 49684, 62105, 74526, 86947, 111789, 124210, 149052, 161473, 173894, 186315, 223578, 248420, 260841, 322946, 347788, 372630, 434735, 447156, 484419, 521682, 558945, 645892, 745260, 782523, 807365, 869470, 968838, 1043364, 1117890, 1130311, 1304205, 1453257, 1565046, 1614730, 1738940, 1937676, 2235780, 2260622, 2422095, 2608410, 2906514, 3130092, 3229460, 3390933, 3912615, 4521244, 4844190, 5216820, 5651555, 5813028, 6781866, 7266285, 7825230, 9688380, 10172799, 11303110, 13563732, 14532570, 15650460, 16954665, 20345598, 22606220, 29065140, 33909330, 40691196, 50863995, 67818660, 101727990, 203455980]

約数ペア:

[(1, 203455980), (2, 101727990), (3, 67818660), (4, 50863995), (5, 40691196), (6, 33909330), (7, 29065140), (9, 22606220), (10, 20345598), (12, 16954665), (13, 15650460), (14, 14532570), (15, 13563732), (18, 11303110), (20, 10172799), (21, 9688380), (26, 7825230), (28, 7266285), (30, 6781866), (35, 5813028), (36, 5651555), (39, 5216820), (42, 4844190), (45, 4521244), (52, 3912615), (60, 3390933), (63, 3229460), (65, 3130092), (70, 2906514), (78, 2608410), (84, 2422095), (90, 2260622), (91, 2235780), (105, 1937676), (117, 1738940), (126, 1614730), (130, 1565046), (140, 1453257), (156, 1304205), (180, 1130311), (182, 1117890), (195, 1043364), (210, 968838), (234, 869470), (252, 807365), (260, 782523), (273, 745260), (315, 645892), (364, 558945), (390, 521682), (420, 484419), (455, 447156), (468, 434735), (546, 372630), (585, 347788), (630, 322946), (780, 260841), (819, 248420), (910, 223578), (1092, 186315), (1170, 173894), (1260, 161473), (1365, 149052), (1638, 124210), (1820, 111789), (2340, 86947), (2730, 74526), (3276, 62105), (4095, 49684), (5460, 37263), (8190, 24842), (12421, 16380)]