390890400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:895

約数の個数: 144

約数和(自身を含む): 1279168128

約数和(自身を除く): 888277728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 271, 300, 400, 480, 542, 600, 601, 800, 813, 1084, 1200, 1202, 1355, 1626, 1803, 2168, 2400, 2404, 2710, 3005, 3252, 3606, 4065, 4336, 4808, 5420, 6010, 6504, 6775, 7212, 8130, 8672, 9015, 9616, 10840, 12020, 13008, 13550, 14424, 15025, 16260, 18030, 19232, 20325, 21680, 24040, 26016, 27100, 28848, 30050, 32520, 36060, 40650, 43360, 45075, 48080, 54200, 57696, 60100, 65040, 72120, 81300, 90150, 96160, 108400, 120200, 130080, 144240, 162600, 162871, 180300, 216800, 240400, 288480, 325200, 325742, 360600, 480800, 488613, 650400, 651484, 721200, 814355, 977226, 1302968, 1442400, 1628710, 1954452, 2443065, 2605936, 3257420, 3908904, 4071775, 4886130, 5211872, 6514840, 7817808, 8143550, 9772260, 12215325, 13029680, 15635616, 16287100, 19544520, 24430650, 26059360, 32574200, 39089040, 48861300, 65148400, 78178080, 97722600, 130296800, 195445200, 390890400]

約数ペア:

[(1, 390890400), (2, 195445200), (3, 130296800), (4, 97722600), (5, 78178080), (6, 65148400), (8, 48861300), (10, 39089040), (12, 32574200), (15, 26059360), (16, 24430650), (20, 19544520), (24, 16287100), (25, 15635616), (30, 13029680), (32, 12215325), (40, 9772260), (48, 8143550), (50, 7817808), (60, 6514840), (75, 5211872), (80, 4886130), (96, 4071775), (100, 3908904), (120, 3257420), (150, 2605936), (160, 2443065), (200, 1954452), (240, 1628710), (271, 1442400), (300, 1302968), (400, 977226), (480, 814355), (542, 721200), (600, 651484), (601, 650400), (800, 488613), (813, 480800), (1084, 360600), (1200, 325742), (1202, 325200), (1355, 288480), (1626, 240400), (1803, 216800), (2168, 180300), (2400, 162871), (2404, 162600), (2710, 144240), (3005, 130080), (3252, 120200), (3606, 108400), (4065, 96160), (4336, 90150), (4808, 81300), (5420, 72120), (6010, 65040), (6504, 60100), (6775, 57696), (7212, 54200), (8130, 48080), (8672, 45075), (9015, 43360), (9616, 40650), (10840, 36060), (12020, 32520), (13008, 30050), (13550, 28848), (14424, 27100), (15025, 26016), (16260, 24040), (18030, 21680), (19232, 20325)]