381906540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 1188794880

約数和(自身を除く): 806888340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 107, 158, 180, 214, 237, 251, 316, 321, 395, 428, 474, 502, 535, 642, 711, 753, 790, 948, 963, 1004, 1070, 1185, 1255, 1284, 1422, 1506, 1580, 1605, 1926, 2140, 2259, 2370, 2510, 2844, 3012, 3210, 3555, 3765, 3852, 4518, 4740, 4815, 5020, 6420, 7110, 7530, 8453, 9036, 9630, 11295, 14220, 15060, 16906, 19260, 19829, 22590, 25359, 26857, 33812, 39658, 42265, 45180, 50718, 53714, 59487, 76077, 79316, 80571, 84530, 99145, 101436, 107428, 118974, 126795, 134285, 152154, 161142, 169060, 178461, 198290, 237948, 241713, 253590, 268570, 297435, 304308, 322284, 356922, 380385, 396580, 402855, 483426, 507180, 537140, 594870, 713844, 760770, 805710, 892305, 966852, 1189740, 1208565, 1521540, 1611420, 1784610, 2121703, 2417130, 3569220, 4243406, 4834260, 6365109, 8486812, 10608515, 12730218, 19095327, 21217030, 25460436, 31825545, 38190654, 42434060, 63651090, 76381308, 95476635, 127302180, 190953270, 381906540]

約数ペア:

[(1, 381906540), (2, 190953270), (3, 127302180), (4, 95476635), (5, 76381308), (6, 63651090), (9, 42434060), (10, 38190654), (12, 31825545), (15, 25460436), (18, 21217030), (20, 19095327), (30, 12730218), (36, 10608515), (45, 8486812), (60, 6365109), (79, 4834260), (90, 4243406), (107, 3569220), (158, 2417130), (180, 2121703), (214, 1784610), (237, 1611420), (251, 1521540), (316, 1208565), (321, 1189740), (395, 966852), (428, 892305), (474, 805710), (502, 760770), (535, 713844), (642, 594870), (711, 537140), (753, 507180), (790, 483426), (948, 402855), (963, 396580), (1004, 380385), (1070, 356922), (1185, 322284), (1255, 304308), (1284, 297435), (1422, 268570), (1506, 253590), (1580, 241713), (1605, 237948), (1926, 198290), (2140, 178461), (2259, 169060), (2370, 161142), (2510, 152154), (2844, 134285), (3012, 126795), (3210, 118974), (3555, 107428), (3765, 101436), (3852, 99145), (4518, 84530), (4740, 80571), (4815, 79316), (5020, 76077), (6420, 59487), (7110, 53714), (7530, 50718), (8453, 45180), (9036, 42265), (9630, 39658), (11295, 33812), (14220, 26857), (15060, 25359), (16906, 22590), (19260, 19829)]