28178010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:917

約数の個数: 128

約数和(自身を含む): 91031040

約数和(自身を除く): 62853030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 85, 90, 102, 105, 119, 126, 135, 153, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 459, 510, 595, 630, 714, 765, 877, 918, 945, 1071, 1190, 1530, 1754, 1785, 1890, 2142, 2295, 2631, 3213, 3570, 4385, 4590, 5262, 5355, 6139, 6426, 7893, 8770, 10710, 12278, 13155, 14909, 15786, 16065, 18417, 23679, 26310, 29818, 30695, 32130, 36834, 39465, 44727, 47358, 55251, 61390, 74545, 78930, 89454, 92085, 104363, 110502, 118395, 134181, 149090, 165753, 184170, 208726, 223635, 236790, 268362, 276255, 313089, 331506, 402543, 447270, 521815, 552510, 626178, 670905, 805086, 828765, 939267, 1043630, 1341810, 1565445, 1657530, 1878534, 2012715, 2817801, 3130890, 4025430, 4696335, 5635602, 9392670, 14089005, 28178010]

約数ペア:

[(1, 28178010), (2, 14089005), (3, 9392670), (5, 5635602), (6, 4696335), (7, 4025430), (9, 3130890), (10, 2817801), (14, 2012715), (15, 1878534), (17, 1657530), (18, 1565445), (21, 1341810), (27, 1043630), (30, 939267), (34, 828765), (35, 805086), (42, 670905), (45, 626178), (51, 552510), (54, 521815), (63, 447270), (70, 402543), (85, 331506), (90, 313089), (102, 276255), (105, 268362), (119, 236790), (126, 223635), (135, 208726), (153, 184170), (170, 165753), (189, 149090), (210, 134181), (238, 118395), (255, 110502), (270, 104363), (306, 92085), (315, 89454), (357, 78930), (378, 74545), (459, 61390), (510, 55251), (595, 47358), (630, 44727), (714, 39465), (765, 36834), (877, 32130), (918, 30695), (945, 29818), (1071, 26310), (1190, 23679), (1530, 18417), (1754, 16065), (1785, 15786), (1890, 14909), (2142, 13155), (2295, 12278), (2631, 10710), (3213, 8770), (3570, 7893), (4385, 6426), (4590, 6139), (5262, 5355)]