71747820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23447}}^1$

素因数の和:23479

約数の個数: 72

約数和(自身を含む): 230446944

約数和(自身を除く): 158699124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 23447, 46894, 70341, 93788, 117235, 140682, 211023, 234470, 281364, 351705, 398599, 422046, 468940, 703410, 797198, 844092, 1055115, 1195797, 1406820, 1594396, 1992995, 2110230, 2391594, 3587391, 3985990, 4220460, 4783188, 5978985, 7174782, 7971980, 11957970, 14349564, 17936955, 23915940, 35873910, 71747820]

約数ペア:

[(1, 71747820), (2, 35873910), (3, 23915940), (4, 17936955), (5, 14349564), (6, 11957970), (9, 7971980), (10, 7174782), (12, 5978985), (15, 4783188), (17, 4220460), (18, 3985990), (20, 3587391), (30, 2391594), (34, 2110230), (36, 1992995), (45, 1594396), (51, 1406820), (60, 1195797), (68, 1055115), (85, 844092), (90, 797198), (102, 703410), (153, 468940), (170, 422046), (180, 398599), (204, 351705), (255, 281364), (306, 234470), (340, 211023), (510, 140682), (612, 117235), (765, 93788), (1020, 70341), (1530, 46894), (3060, 23447)]