27940860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 93877056

約数和(自身を除く): 65936196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 397, 414, 460, 510, 612, 690, 765, 782, 794, 828, 1020, 1035, 1173, 1191, 1380, 1530, 1564, 1588, 1955, 1985, 2070, 2346, 2382, 3060, 3519, 3573, 3910, 3970, 4140, 4692, 4764, 5865, 5955, 6749, 7038, 7146, 7820, 7940, 9131, 11730, 11910, 13498, 14076, 14292, 17595, 17865, 18262, 20247, 23460, 23820, 26996, 27393, 33745, 35190, 35730, 36524, 40494, 45655, 54786, 60741, 67490, 70380, 71460, 80988, 82179, 91310, 101235, 109572, 121482, 134980, 136965, 155227, 164358, 182620, 202470, 242964, 273930, 303705, 310454, 328716, 404940, 410895, 465681, 547860, 607410, 620908, 776135, 821790, 931362, 1214820, 1397043, 1552270, 1643580, 1862724, 2328405, 2794086, 3104540, 4656810, 5588172, 6985215, 9313620, 13970430, 27940860]

約数ペア:

[(1, 27940860), (2, 13970430), (3, 9313620), (4, 6985215), (5, 5588172), (6, 4656810), (9, 3104540), (10, 2794086), (12, 2328405), (15, 1862724), (17, 1643580), (18, 1552270), (20, 1397043), (23, 1214820), (30, 931362), (34, 821790), (36, 776135), (45, 620908), (46, 607410), (51, 547860), (60, 465681), (68, 410895), (69, 404940), (85, 328716), (90, 310454), (92, 303705), (102, 273930), (115, 242964), (138, 202470), (153, 182620), (170, 164358), (180, 155227), (204, 136965), (207, 134980), (230, 121482), (255, 109572), (276, 101235), (306, 91310), (340, 82179), (345, 80988), (391, 71460), (397, 70380), (414, 67490), (460, 60741), (510, 54786), (612, 45655), (690, 40494), (765, 36524), (782, 35730), (794, 35190), (828, 33745), (1020, 27393), (1035, 26996), (1173, 23820), (1191, 23460), (1380, 20247), (1530, 18262), (1564, 17865), (1588, 17595), (1955, 14292), (1985, 14076), (2070, 13498), (2346, 11910), (2382, 11730), (3060, 9131), (3519, 7940), (3573, 7820), (3910, 7146), (3970, 7038), (4140, 6749), (4692, 5955), (4764, 5865)]