180428100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 553297920

約数和(自身を除く): 372869820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 79, 92, 100, 115, 138, 150, 158, 230, 237, 276, 300, 316, 331, 345, 395, 460, 474, 575, 662, 690, 790, 948, 993, 1150, 1185, 1324, 1380, 1580, 1655, 1725, 1817, 1975, 1986, 2300, 2370, 3310, 3450, 3634, 3950, 3972, 4740, 4965, 5451, 5925, 6620, 6900, 7268, 7613, 7900, 8275, 9085, 9930, 10902, 11850, 15226, 16550, 18170, 19860, 21804, 22839, 23700, 24825, 26149, 27255, 30452, 33100, 36340, 38065, 45425, 45678, 49650, 52298, 54510, 76130, 78447, 90850, 91356, 99300, 104596, 109020, 114195, 130745, 136275, 152260, 156894, 181700, 190325, 228390, 261490, 272550, 313788, 380650, 392235, 456780, 522980, 545100, 570975, 601427, 653725, 761300, 784470, 1141950, 1202854, 1307450, 1568940, 1804281, 1961175, 2283900, 2405708, 2614900, 3007135, 3608562, 3922350, 6014270, 7217124, 7844700, 9021405, 12028540, 15035675, 18042810, 30071350, 36085620, 45107025, 60142700, 90214050, 180428100]

約数ペア:

[(1, 180428100), (2, 90214050), (3, 60142700), (4, 45107025), (5, 36085620), (6, 30071350), (10, 18042810), (12, 15035675), (15, 12028540), (20, 9021405), (23, 7844700), (25, 7217124), (30, 6014270), (46, 3922350), (50, 3608562), (60, 3007135), (69, 2614900), (75, 2405708), (79, 2283900), (92, 1961175), (100, 1804281), (115, 1568940), (138, 1307450), (150, 1202854), (158, 1141950), (230, 784470), (237, 761300), (276, 653725), (300, 601427), (316, 570975), (331, 545100), (345, 522980), (395, 456780), (460, 392235), (474, 380650), (575, 313788), (662, 272550), (690, 261490), (790, 228390), (948, 190325), (993, 181700), (1150, 156894), (1185, 152260), (1324, 136275), (1380, 130745), (1580, 114195), (1655, 109020), (1725, 104596), (1817, 99300), (1975, 91356), (1986, 90850), (2300, 78447), (2370, 76130), (3310, 54510), (3450, 52298), (3634, 49650), (3950, 45678), (3972, 45425), (4740, 38065), (4965, 36340), (5451, 33100), (5925, 30452), (6620, 27255), (6900, 26149), (7268, 24825), (7613, 23700), (7900, 22839), (8275, 21804), (9085, 19860), (9930, 18170), (10902, 16550), (11850, 15226)]