18428100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 58121280

約数和(自身を除く): 39693180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 53, 57, 60, 61, 75, 76, 95, 100, 106, 114, 122, 150, 159, 183, 190, 212, 228, 244, 265, 285, 300, 305, 318, 366, 380, 475, 530, 570, 610, 636, 732, 795, 915, 950, 1007, 1060, 1140, 1159, 1220, 1325, 1425, 1525, 1590, 1830, 1900, 2014, 2318, 2650, 2850, 3021, 3050, 3180, 3233, 3477, 3660, 3975, 4028, 4575, 4636, 5035, 5300, 5700, 5795, 6042, 6100, 6466, 6954, 7950, 9150, 9699, 10070, 11590, 12084, 12932, 13908, 15105, 15900, 16165, 17385, 18300, 19398, 20140, 23180, 25175, 28975, 30210, 32330, 34770, 38796, 48495, 50350, 57950, 60420, 61427, 64660, 69540, 75525, 80825, 86925, 96990, 100700, 115900, 122854, 151050, 161650, 173850, 184281, 193980, 242475, 245708, 302100, 307135, 323300, 347700, 368562, 484950, 614270, 737124, 921405, 969900, 1228540, 1535675, 1842810, 3071350, 3685620, 4607025, 6142700, 9214050, 18428100]

約数ペア:

[(1, 18428100), (2, 9214050), (3, 6142700), (4, 4607025), (5, 3685620), (6, 3071350), (10, 1842810), (12, 1535675), (15, 1228540), (19, 969900), (20, 921405), (25, 737124), (30, 614270), (38, 484950), (50, 368562), (53, 347700), (57, 323300), (60, 307135), (61, 302100), (75, 245708), (76, 242475), (95, 193980), (100, 184281), (106, 173850), (114, 161650), (122, 151050), (150, 122854), (159, 115900), (183, 100700), (190, 96990), (212, 86925), (228, 80825), (244, 75525), (265, 69540), (285, 64660), (300, 61427), (305, 60420), (318, 57950), (366, 50350), (380, 48495), (475, 38796), (530, 34770), (570, 32330), (610, 30210), (636, 28975), (732, 25175), (795, 23180), (915, 20140), (950, 19398), (1007, 18300), (1060, 17385), (1140, 16165), (1159, 15900), (1220, 15105), (1325, 13908), (1425, 12932), (1525, 12084), (1590, 11590), (1830, 10070), (1900, 9699), (2014, 9150), (2318, 7950), (2650, 6954), (2850, 6466), (3021, 6100), (3050, 6042), (3180, 5795), (3233, 5700), (3477, 5300), (3660, 5035), (3975, 4636), (4028, 4575)]