178237860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:606

約数の個数: 144

約数和(自身を含む): 559083840

約数和(自身を除く): 380845980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 289, 323, 340, 380, 510, 541, 570, 578, 646, 867, 969, 1020, 1082, 1140, 1156, 1292, 1445, 1615, 1623, 1734, 1938, 2164, 2705, 2890, 3230, 3246, 3468, 3876, 4335, 4845, 5410, 5491, 5780, 6460, 6492, 8115, 8670, 9197, 9690, 10279, 10820, 10982, 16230, 16473, 17340, 18394, 19380, 20558, 21964, 27455, 27591, 30837, 32460, 32946, 36788, 41116, 45985, 51395, 54910, 55182, 61674, 65892, 82365, 91970, 102790, 109820, 110364, 123348, 137955, 154185, 156349, 164730, 174743, 183940, 205580, 275910, 308370, 312698, 329460, 349486, 469047, 524229, 551820, 616740, 625396, 698972, 781745, 873715, 938094, 1048458, 1563490, 1747430, 1876188, 2096916, 2345235, 2621145, 2970631, 3126980, 3494860, 4690470, 5242290, 5941262, 8911893, 9380940, 10484580, 11882524, 14853155, 17823786, 29706310, 35647572, 44559465, 59412620, 89118930, 178237860]

約数ペア:

[(1, 178237860), (2, 89118930), (3, 59412620), (4, 44559465), (5, 35647572), (6, 29706310), (10, 17823786), (12, 14853155), (15, 11882524), (17, 10484580), (19, 9380940), (20, 8911893), (30, 5941262), (34, 5242290), (38, 4690470), (51, 3494860), (57, 3126980), (60, 2970631), (68, 2621145), (76, 2345235), (85, 2096916), (95, 1876188), (102, 1747430), (114, 1563490), (170, 1048458), (190, 938094), (204, 873715), (228, 781745), (255, 698972), (285, 625396), (289, 616740), (323, 551820), (340, 524229), (380, 469047), (510, 349486), (541, 329460), (570, 312698), (578, 308370), (646, 275910), (867, 205580), (969, 183940), (1020, 174743), (1082, 164730), (1140, 156349), (1156, 154185), (1292, 137955), (1445, 123348), (1615, 110364), (1623, 109820), (1734, 102790), (1938, 91970), (2164, 82365), (2705, 65892), (2890, 61674), (3230, 55182), (3246, 54910), (3468, 51395), (3876, 45985), (4335, 41116), (4845, 36788), (5410, 32946), (5491, 32460), (5780, 30837), (6460, 27591), (6492, 27455), (8115, 21964), (8670, 20558), (9197, 19380), (9690, 18394), (10279, 17340), (10820, 16473), (10982, 16230)]