81213930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7583}}^1$

素因数の和:7620

約数の個数: 96

約数和(自身を含む): 255550464

約数和(自身を除く): 174336534

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 2142, 3570, 5355, 7583, 10710, 15166, 22749, 37915, 45498, 53081, 68247, 75830, 106162, 113745, 128911, 136494, 159243, 227490, 257822, 265405, 318486, 341235, 386733, 477729, 530810, 644555, 682470, 773466, 796215, 902377, 955458, 1160199, 1289110, 1592430, 1804754, 1933665, 2320398, 2388645, 2707131, 3867330, 4511885, 4777290, 5414262, 5800995, 8121393, 9023770, 11601990, 13535655, 16242786, 27071310, 40606965, 81213930]

約数ペア:

[(1, 81213930), (2, 40606965), (3, 27071310), (5, 16242786), (6, 13535655), (7, 11601990), (9, 9023770), (10, 8121393), (14, 5800995), (15, 5414262), (17, 4777290), (18, 4511885), (21, 3867330), (30, 2707131), (34, 2388645), (35, 2320398), (42, 1933665), (45, 1804754), (51, 1592430), (63, 1289110), (70, 1160199), (85, 955458), (90, 902377), (102, 796215), (105, 773466), (119, 682470), (126, 644555), (153, 530810), (170, 477729), (210, 386733), (238, 341235), (255, 318486), (306, 265405), (315, 257822), (357, 227490), (510, 159243), (595, 136494), (630, 128911), (714, 113745), (765, 106162), (1071, 75830), (1190, 68247), (1530, 53081), (1785, 45498), (2142, 37915), (3570, 22749), (5355, 15166), (7583, 10710)]