157721760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{15647}}^1$

素因数の和:15675

約数の個数: 144

約数和(自身を含む): 615154176

約数和(自身を除く): 457432416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 15647, 31294, 46941, 62588, 78235, 93882, 109529, 125176, 140823, 156470, 187764, 219058, 234705, 250352, 281646, 312940, 328587, 375528, 438116, 469410, 500704, 547645, 563292, 625880, 657174, 704115, 751056, 876232, 938820, 985761, 1095290, 1126584, 1251760, 1314348, 1408230, 1502112, 1642935, 1752464, 1877640, 1971522, 2190580, 2253168, 2503520, 2628696, 2816460, 3285870, 3504928, 3755280, 3943044, 4381160, 4506336, 4928805, 5257392, 5632920, 6571740, 7510560, 7886088, 8762320, 9857610, 10514784, 11265840, 13143480, 15772176, 17524640, 19715220, 22531680, 26286960, 31544352, 39430440, 52573920, 78860880, 157721760]

約数ペア:

[(1, 157721760), (2, 78860880), (3, 52573920), (4, 39430440), (5, 31544352), (6, 26286960), (7, 22531680), (8, 19715220), (9, 17524640), (10, 15772176), (12, 13143480), (14, 11265840), (15, 10514784), (16, 9857610), (18, 8762320), (20, 7886088), (21, 7510560), (24, 6571740), (28, 5632920), (30, 5257392), (32, 4928805), (35, 4506336), (36, 4381160), (40, 3943044), (42, 3755280), (45, 3504928), (48, 3285870), (56, 2816460), (60, 2628696), (63, 2503520), (70, 2253168), (72, 2190580), (80, 1971522), (84, 1877640), (90, 1752464), (96, 1642935), (105, 1502112), (112, 1408230), (120, 1314348), (126, 1251760), (140, 1126584), (144, 1095290), (160, 985761), (168, 938820), (180, 876232), (210, 751056), (224, 704115), (240, 657174), (252, 625880), (280, 563292), (288, 547645), (315, 500704), (336, 469410), (360, 438116), (420, 375528), (480, 328587), (504, 312940), (560, 281646), (630, 250352), (672, 234705), (720, 219058), (840, 187764), (1008, 156470), (1120, 140823), (1260, 125176), (1440, 109529), (1680, 93882), (2016, 78235), (2520, 62588), (3360, 46941), (5040, 31294), (10080, 15647)]