204554040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 629856000

約数和(自身を除く): 425301960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 107, 120, 178, 179, 214, 267, 321, 356, 358, 428, 445, 534, 535, 537, 642, 712, 716, 856, 890, 895, 1068, 1070, 1074, 1284, 1335, 1432, 1605, 1780, 1790, 2136, 2140, 2148, 2568, 2670, 2685, 3210, 3560, 3580, 4280, 4296, 5340, 5370, 6420, 7160, 9523, 10680, 10740, 12840, 15931, 19046, 19153, 21480, 28569, 31862, 38092, 38306, 47615, 47793, 57138, 57459, 63724, 76184, 76612, 79655, 95230, 95586, 95765, 114276, 114918, 127448, 142845, 153224, 159310, 190460, 191172, 191530, 228552, 229836, 238965, 285690, 287295, 318620, 380920, 382344, 383060, 459672, 477930, 571380, 574590, 637240, 766120, 955860, 1142760, 1149180, 1704617, 1911720, 2298360, 3409234, 5113851, 6818468, 8523085, 10227702, 13636936, 17046170, 20455404, 25569255, 34092340, 40910808, 51138510, 68184680, 102277020, 204554040]

約数ペア:

[(1, 204554040), (2, 102277020), (3, 68184680), (4, 51138510), (5, 40910808), (6, 34092340), (8, 25569255), (10, 20455404), (12, 17046170), (15, 13636936), (20, 10227702), (24, 8523085), (30, 6818468), (40, 5113851), (60, 3409234), (89, 2298360), (107, 1911720), (120, 1704617), (178, 1149180), (179, 1142760), (214, 955860), (267, 766120), (321, 637240), (356, 574590), (358, 571380), (428, 477930), (445, 459672), (534, 383060), (535, 382344), (537, 380920), (642, 318620), (712, 287295), (716, 285690), (856, 238965), (890, 229836), (895, 228552), (1068, 191530), (1070, 191172), (1074, 190460), (1284, 159310), (1335, 153224), (1432, 142845), (1605, 127448), (1780, 114918), (1790, 114276), (2136, 95765), (2140, 95586), (2148, 95230), (2568, 79655), (2670, 76612), (2685, 76184), (3210, 63724), (3560, 57459), (3580, 57138), (4280, 47793), (4296, 47615), (5340, 38306), (5370, 38092), (6420, 31862), (7160, 28569), (9523, 21480), (10680, 19153), (10740, 19046), (12840, 15931)]