305745405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 619315200

約数和(自身を除く): 313569795

約数列:

[1, 3, 5, 7, 15, 21, 29, 31, 35, 41, 79, 87, 93, 105, 123, 145, 155, 203, 205, 217, 237, 287, 395, 435, 465, 553, 609, 615, 651, 861, 899, 1015, 1085, 1185, 1189, 1271, 1435, 1659, 2291, 2449, 2697, 2765, 3045, 3239, 3255, 3567, 3813, 4305, 4495, 5945, 6293, 6355, 6873, 7347, 8295, 8323, 8897, 9717, 11455, 12245, 13485, 16037, 16195, 17143, 17835, 18879, 19065, 22673, 24969, 26691, 31465, 34365, 36735, 36859, 41615, 44485, 48111, 48585, 51429, 68019, 71021, 80185, 85715, 93931, 94395, 100409, 110577, 113365, 124845, 133455, 184295, 213063, 240555, 257145, 258013, 281793, 301227, 340095, 355105, 469655, 497147, 502045, 552885, 657517, 702863, 774039, 1065315, 1290065, 1408965, 1491441, 1506135, 1972551, 2108589, 2485735, 2911861, 3287585, 3514315, 3870195, 7457205, 8735583, 9862755, 10542945, 14559305, 20383027, 43677915, 61149081, 101915135, 305745405]

約数ペア:

[(1, 305745405), (3, 101915135), (5, 61149081), (7, 43677915), (15, 20383027), (21, 14559305), (29, 10542945), (31, 9862755), (35, 8735583), (41, 7457205), (79, 3870195), (87, 3514315), (93, 3287585), (105, 2911861), (123, 2485735), (145, 2108589), (155, 1972551), (203, 1506135), (205, 1491441), (217, 1408965), (237, 1290065), (287, 1065315), (395, 774039), (435, 702863), (465, 657517), (553, 552885), (609, 502045), (615, 497147), (651, 469655), (861, 355105), (899, 340095), (1015, 301227), (1085, 281793), (1185, 258013), (1189, 257145), (1271, 240555), (1435, 213063), (1659, 184295), (2291, 133455), (2449, 124845), (2697, 113365), (2765, 110577), (3045, 100409), (3239, 94395), (3255, 93931), (3567, 85715), (3813, 80185), (4305, 71021), (4495, 68019), (5945, 51429), (6293, 48585), (6355, 48111), (6873, 44485), (7347, 41615), (8295, 36859), (8323, 36735), (8897, 34365), (9717, 31465), (11455, 26691), (12245, 24969), (13485, 22673), (16037, 19065), (16195, 18879), (17143, 17835)]