79771140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 259459200

約数和(自身を除く): 179688060

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, 131, 153, 170, 180, 199, 204, 255, 262, 306, 340, 393, 398, 510, 524, 597, 612, 655, 765, 786, 796, 995, 1020, 1179, 1194, 1310, 1530, 1572, 1791, 1965, 1990, 2227, 2358, 2388, 2620, 2985, 3060, 3383, 3582, 3930, 3980, 4454, 4716, 5895, 5970, 6681, 6766, 7164, 7860, 8908, 8955, 10149, 11135, 11790, 11940, 13362, 13532, 16915, 17910, 20043, 20298, 22270, 23580, 26069, 26724, 30447, 33405, 33830, 35820, 40086, 40596, 44540, 50745, 52138, 60894, 66810, 67660, 78207, 80172, 100215, 101490, 104276, 121788, 130345, 133620, 152235, 156414, 200430, 202980, 234621, 260690, 304470, 312828, 391035, 400860, 443173, 469242, 521380, 608940, 782070, 886346, 938484, 1173105, 1329519, 1564140, 1772692, 2215865, 2346210, 2659038, 3988557, 4431730, 4692420, 5318076, 6647595, 7977114, 8863460, 13295190, 15954228, 19942785, 26590380, 39885570, 79771140]

約数ペア:

[(1, 79771140), (2, 39885570), (3, 26590380), (4, 19942785), (5, 15954228), (6, 13295190), (9, 8863460), (10, 7977114), (12, 6647595), (15, 5318076), (17, 4692420), (18, 4431730), (20, 3988557), (30, 2659038), (34, 2346210), (36, 2215865), (45, 1772692), (51, 1564140), (60, 1329519), (68, 1173105), (85, 938484), (90, 886346), (102, 782070), (131, 608940), (153, 521380), (170, 469242), (180, 443173), (199, 400860), (204, 391035), (255, 312828), (262, 304470), (306, 260690), (340, 234621), (393, 202980), (398, 200430), (510, 156414), (524, 152235), (597, 133620), (612, 130345), (655, 121788), (765, 104276), (786, 101490), (796, 100215), (995, 80172), (1020, 78207), (1179, 67660), (1194, 66810), (1310, 60894), (1530, 52138), (1572, 50745), (1791, 44540), (1965, 40596), (1990, 40086), (2227, 35820), (2358, 33830), (2388, 33405), (2620, 30447), (2985, 26724), (3060, 26069), (3383, 23580), (3582, 22270), (3930, 20298), (3980, 20043), (4454, 17910), (4716, 16915), (5895, 13532), (5970, 13362), (6681, 11940), (6766, 11790), (7164, 11135), (7860, 10149), (8908, 8955)]