261503316

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 730527336

約数和(自身を除く): 469024020

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 197, 204, 241, 306, 324, 394, 459, 482, 591, 612, 723, 788, 918, 964, 1182, 1377, 1446, 1773, 1836, 2169, 2364, 2754, 2892, 3349, 3546, 4097, 4338, 5319, 5508, 6507, 6698, 7092, 8194, 8676, 10047, 10638, 12291, 13014, 13396, 15957, 16388, 19521, 20094, 21276, 24582, 26028, 30141, 31914, 36873, 39042, 40188, 47477, 49164, 60282, 63828, 73746, 78084, 90423, 94954, 110619, 120564, 142431, 147492, 180846, 189908, 221238, 271269, 284862, 331857, 361692, 427293, 442476, 542538, 569724, 663714, 807109, 854586, 1085076, 1281879, 1327428, 1614218, 1709172, 2421327, 2563758, 3228436, 3845637, 4842654, 5127516, 7263981, 7691274, 9685308, 14527962, 15382548, 21791943, 29055924, 43583886, 65375829, 87167772, 130751658, 261503316]

約数ペア:

[(1, 261503316), (2, 130751658), (3, 87167772), (4, 65375829), (6, 43583886), (9, 29055924), (12, 21791943), (17, 15382548), (18, 14527962), (27, 9685308), (34, 7691274), (36, 7263981), (51, 5127516), (54, 4842654), (68, 3845637), (81, 3228436), (102, 2563758), (108, 2421327), (153, 1709172), (162, 1614218), (197, 1327428), (204, 1281879), (241, 1085076), (306, 854586), (324, 807109), (394, 663714), (459, 569724), (482, 542538), (591, 442476), (612, 427293), (723, 361692), (788, 331857), (918, 284862), (964, 271269), (1182, 221238), (1377, 189908), (1446, 180846), (1773, 147492), (1836, 142431), (2169, 120564), (2364, 110619), (2754, 94954), (2892, 90423), (3349, 78084), (3546, 73746), (4097, 63828), (4338, 60282), (5319, 49164), (5508, 47477), (6507, 40188), (6698, 39042), (7092, 36873), (8194, 31914), (8676, 30141), (10047, 26028), (10638, 24582), (12291, 21276), (13014, 20094), (13396, 19521), (15957, 16388)]