788255460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 2443633920

約数和(自身を除く): 1655378460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 239, 251, 292, 365, 438, 478, 502, 657, 717, 730, 753, 876, 956, 1004, 1095, 1195, 1255, 1314, 1434, 1460, 1506, 2151, 2190, 2259, 2390, 2510, 2628, 2868, 3012, 3285, 3585, 3765, 4302, 4380, 4518, 4780, 5020, 6570, 7170, 7530, 8604, 9036, 10755, 11295, 13140, 14340, 15060, 17447, 18323, 21510, 22590, 34894, 36646, 43020, 45180, 52341, 54969, 59989, 69788, 73292, 87235, 91615, 104682, 109938, 119978, 157023, 164907, 174470, 179967, 183230, 209364, 219876, 239956, 261705, 274845, 299945, 314046, 329814, 348940, 359934, 366460, 523410, 539901, 549690, 599890, 628092, 659628, 719868, 785115, 824535, 899835, 1046820, 1079802, 1099380, 1199780, 1570230, 1649070, 1799670, 2159604, 2699505, 3140460, 3298140, 3599340, 4379197, 5399010, 8758394, 10798020, 13137591, 17516788, 21895985, 26275182, 39412773, 43791970, 52550364, 65687955, 78825546, 87583940, 131375910, 157651092, 197063865, 262751820, 394127730, 788255460]

約数ペア:

[(1, 788255460), (2, 394127730), (3, 262751820), (4, 197063865), (5, 157651092), (6, 131375910), (9, 87583940), (10, 78825546), (12, 65687955), (15, 52550364), (18, 43791970), (20, 39412773), (30, 26275182), (36, 21895985), (45, 17516788), (60, 13137591), (73, 10798020), (90, 8758394), (146, 5399010), (180, 4379197), (219, 3599340), (239, 3298140), (251, 3140460), (292, 2699505), (365, 2159604), (438, 1799670), (478, 1649070), (502, 1570230), (657, 1199780), (717, 1099380), (730, 1079802), (753, 1046820), (876, 899835), (956, 824535), (1004, 785115), (1095, 719868), (1195, 659628), (1255, 628092), (1314, 599890), (1434, 549690), (1460, 539901), (1506, 523410), (2151, 366460), (2190, 359934), (2259, 348940), (2390, 329814), (2510, 314046), (2628, 299945), (2868, 274845), (3012, 261705), (3285, 239956), (3585, 219876), (3765, 209364), (4302, 183230), (4380, 179967), (4518, 174470), (4780, 164907), (5020, 157023), (6570, 119978), (7170, 109938), (7530, 104682), (8604, 91615), (9036, 87235), (10755, 73292), (11295, 69788), (13140, 59989), (14340, 54969), (15060, 52341), (17447, 45180), (18323, 43020), (21510, 36646), (22590, 34894)]