28787280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 96422400

約数和(自身を除く): 67635120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 59, 60, 76, 80, 95, 107, 114, 118, 120, 152, 177, 190, 214, 228, 236, 240, 285, 295, 304, 321, 354, 380, 428, 456, 472, 535, 570, 590, 642, 708, 760, 856, 885, 912, 944, 1070, 1121, 1140, 1180, 1284, 1416, 1520, 1605, 1712, 1770, 2033, 2140, 2242, 2280, 2360, 2568, 2832, 3210, 3363, 3540, 4066, 4280, 4484, 4560, 4720, 5136, 5605, 6099, 6313, 6420, 6726, 7080, 8132, 8560, 8968, 10165, 11210, 12198, 12626, 12840, 13452, 14160, 16264, 16815, 17936, 18939, 20330, 22420, 24396, 25252, 25680, 26904, 30495, 31565, 32528, 33630, 37878, 40660, 44840, 48792, 50504, 53808, 60990, 63130, 67260, 75756, 81320, 89680, 94695, 97584, 101008, 119947, 121980, 126260, 134520, 151512, 162640, 189390, 239894, 243960, 252520, 269040, 303024, 359841, 378780, 479788, 487920, 505040, 599735, 719682, 757560, 959576, 1199470, 1439364, 1515120, 1799205, 1919152, 2398940, 2878728, 3598410, 4797880, 5757456, 7196820, 9595760, 14393640, 28787280]

約数ペア:

[(1, 28787280), (2, 14393640), (3, 9595760), (4, 7196820), (5, 5757456), (6, 4797880), (8, 3598410), (10, 2878728), (12, 2398940), (15, 1919152), (16, 1799205), (19, 1515120), (20, 1439364), (24, 1199470), (30, 959576), (38, 757560), (40, 719682), (48, 599735), (57, 505040), (59, 487920), (60, 479788), (76, 378780), (80, 359841), (95, 303024), (107, 269040), (114, 252520), (118, 243960), (120, 239894), (152, 189390), (177, 162640), (190, 151512), (214, 134520), (228, 126260), (236, 121980), (240, 119947), (285, 101008), (295, 97584), (304, 94695), (321, 89680), (354, 81320), (380, 75756), (428, 67260), (456, 63130), (472, 60990), (535, 53808), (570, 50504), (590, 48792), (642, 44840), (708, 40660), (760, 37878), (856, 33630), (885, 32528), (912, 31565), (944, 30495), (1070, 26904), (1121, 25680), (1140, 25252), (1180, 24396), (1284, 22420), (1416, 20330), (1520, 18939), (1605, 17936), (1712, 16815), (1770, 16264), (2033, 14160), (2140, 13452), (2242, 12840), (2280, 12626), (2360, 12198), (2568, 11210), (2832, 10165), (3210, 8968), (3363, 8560), (3540, 8132), (4066, 7080), (4280, 6726), (4484, 6420), (4560, 6313), (4720, 6099), (5136, 5605)]