72281790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 228732192

約数和(自身を除く): 156450402

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, 289, 306, 315, 357, 397, 510, 578, 595, 630, 714, 765, 794, 867, 1071, 1190, 1191, 1445, 1530, 1734, 1785, 1985, 2023, 2142, 2382, 2601, 2779, 2890, 3570, 3573, 3970, 4046, 4335, 5202, 5355, 5558, 5955, 6069, 6749, 7146, 8337, 8670, 10115, 10710, 11910, 12138, 13005, 13498, 13895, 16674, 17865, 18207, 20230, 20247, 25011, 26010, 27790, 30345, 33745, 35730, 36414, 40494, 41685, 47243, 50022, 60690, 60741, 67490, 83370, 91035, 94486, 101235, 114733, 121482, 125055, 141729, 182070, 202470, 229466, 236215, 250110, 283458, 303705, 344199, 425187, 472430, 573665, 607410, 688398, 708645, 803131, 850374, 1032597, 1147330, 1417290, 1606262, 1720995, 2065194, 2125935, 2409393, 3441990, 4015655, 4251870, 4818786, 5162985, 7228179, 8031310, 10325970, 12046965, 14456358, 24093930, 36140895, 72281790]

約数ペア:

[(1, 72281790), (2, 36140895), (3, 24093930), (5, 14456358), (6, 12046965), (7, 10325970), (9, 8031310), (10, 7228179), (14, 5162985), (15, 4818786), (17, 4251870), (18, 4015655), (21, 3441990), (30, 2409393), (34, 2125935), (35, 2065194), (42, 1720995), (45, 1606262), (51, 1417290), (63, 1147330), (70, 1032597), (85, 850374), (90, 803131), (102, 708645), (105, 688398), (119, 607410), (126, 573665), (153, 472430), (170, 425187), (210, 344199), (238, 303705), (255, 283458), (289, 250110), (306, 236215), (315, 229466), (357, 202470), (397, 182070), (510, 141729), (578, 125055), (595, 121482), (630, 114733), (714, 101235), (765, 94486), (794, 91035), (867, 83370), (1071, 67490), (1190, 60741), (1191, 60690), (1445, 50022), (1530, 47243), (1734, 41685), (1785, 40494), (1985, 36414), (2023, 35730), (2142, 33745), (2382, 30345), (2601, 27790), (2779, 26010), (2890, 25011), (3570, 20247), (3573, 20230), (3970, 18207), (4046, 17865), (4335, 16674), (5202, 13895), (5355, 13498), (5558, 13005), (5955, 12138), (6069, 11910), (6749, 10710), (7146, 10115), (8337, 8670)]