243390240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{977}}^1$

素因数の和:1171

約数の個数: 144

約数和(自身を含む): 836225208

約数和(自身を除く): 592834968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 173, 180, 240, 288, 346, 360, 480, 519, 692, 720, 865, 977, 1038, 1384, 1440, 1557, 1730, 1954, 2076, 2595, 2768, 2931, 3114, 3460, 3908, 4152, 4885, 5190, 5536, 5862, 6228, 6920, 7785, 7816, 8304, 8793, 9770, 10380, 11724, 12456, 13840, 14655, 15570, 15632, 16608, 17586, 19540, 20760, 23448, 24912, 27680, 29310, 31140, 31264, 35172, 39080, 41520, 43965, 46896, 49824, 58620, 62280, 70344, 78160, 83040, 87930, 93792, 117240, 124560, 140688, 156320, 169021, 175860, 234480, 249120, 281376, 338042, 351720, 468960, 507063, 676084, 703440, 845105, 1014126, 1352168, 1406880, 1521189, 1690210, 2028252, 2535315, 2704336, 3042378, 3380420, 4056504, 5070630, 5408672, 6084756, 6760840, 7605945, 8113008, 10141260, 12169512, 13521680, 15211890, 16226016, 20282520, 24339024, 27043360, 30423780, 40565040, 48678048, 60847560, 81130080, 121695120, 243390240]

約数ペア:

[(1, 243390240), (2, 121695120), (3, 81130080), (4, 60847560), (5, 48678048), (6, 40565040), (8, 30423780), (9, 27043360), (10, 24339024), (12, 20282520), (15, 16226016), (16, 15211890), (18, 13521680), (20, 12169512), (24, 10141260), (30, 8113008), (32, 7605945), (36, 6760840), (40, 6084756), (45, 5408672), (48, 5070630), (60, 4056504), (72, 3380420), (80, 3042378), (90, 2704336), (96, 2535315), (120, 2028252), (144, 1690210), (160, 1521189), (173, 1406880), (180, 1352168), (240, 1014126), (288, 845105), (346, 703440), (360, 676084), (480, 507063), (519, 468960), (692, 351720), (720, 338042), (865, 281376), (977, 249120), (1038, 234480), (1384, 175860), (1440, 169021), (1557, 156320), (1730, 140688), (1954, 124560), (2076, 117240), (2595, 93792), (2768, 87930), (2931, 83040), (3114, 78160), (3460, 70344), (3908, 62280), (4152, 58620), (4885, 49824), (5190, 46896), (5536, 43965), (5862, 41520), (6228, 39080), (6920, 35172), (7785, 31264), (7816, 31140), (8304, 29310), (8793, 27680), (9770, 24912), (10380, 23448), (11724, 20760), (12456, 19540), (13840, 17586), (14655, 16608), (15570, 15632)]