27684020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 76014288

約数和(自身を除く): 48330268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 49, 52, 53, 65, 70, 82, 91, 98, 106, 130, 140, 164, 182, 196, 205, 212, 245, 260, 265, 287, 364, 371, 410, 455, 490, 530, 533, 574, 637, 689, 742, 820, 910, 980, 1060, 1066, 1148, 1274, 1378, 1435, 1484, 1820, 1855, 2009, 2132, 2173, 2548, 2597, 2665, 2756, 2870, 3185, 3445, 3710, 3731, 4018, 4346, 4823, 5194, 5330, 5740, 6370, 6890, 7420, 7462, 8036, 8692, 9646, 10045, 10388, 10660, 10865, 12740, 12985, 13780, 14924, 15211, 18655, 19292, 20090, 21730, 24115, 25970, 26117, 28249, 30422, 33761, 37310, 40180, 43460, 48230, 51940, 52234, 56498, 60844, 67522, 74620, 76055, 96460, 104468, 106477, 112996, 130585, 135044, 141245, 152110, 168805, 197743, 212954, 261170, 282490, 304220, 337610, 395486, 425908, 522340, 532385, 564980, 675220, 790972, 988715, 1064770, 1384201, 1977430, 2129540, 2768402, 3954860, 5536804, 6921005, 13842010, 27684020]

約数ペア:

[(1, 27684020), (2, 13842010), (4, 6921005), (5, 5536804), (7, 3954860), (10, 2768402), (13, 2129540), (14, 1977430), (20, 1384201), (26, 1064770), (28, 988715), (35, 790972), (41, 675220), (49, 564980), (52, 532385), (53, 522340), (65, 425908), (70, 395486), (82, 337610), (91, 304220), (98, 282490), (106, 261170), (130, 212954), (140, 197743), (164, 168805), (182, 152110), (196, 141245), (205, 135044), (212, 130585), (245, 112996), (260, 106477), (265, 104468), (287, 96460), (364, 76055), (371, 74620), (410, 67522), (455, 60844), (490, 56498), (530, 52234), (533, 51940), (574, 48230), (637, 43460), (689, 40180), (742, 37310), (820, 33761), (910, 30422), (980, 28249), (1060, 26117), (1066, 25970), (1148, 24115), (1274, 21730), (1378, 20090), (1435, 19292), (1484, 18655), (1820, 15211), (1855, 14924), (2009, 13780), (2132, 12985), (2173, 12740), (2548, 10865), (2597, 10660), (2665, 10388), (2756, 10045), (2870, 9646), (3185, 8692), (3445, 8036), (3710, 7462), (3731, 7420), (4018, 6890), (4346, 6370), (4823, 5740), (5194, 5330)]