74944740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 239803200

約数和(自身を除く): 164858460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 169, 190, 195, 228, 247, 260, 285, 338, 380, 389, 390, 494, 507, 570, 676, 741, 778, 780, 845, 988, 1014, 1140, 1167, 1235, 1482, 1556, 1690, 1945, 2028, 2334, 2470, 2535, 2964, 3211, 3380, 3705, 3890, 4668, 4940, 5057, 5070, 5835, 6422, 7391, 7410, 7780, 9633, 10114, 10140, 11670, 12844, 14782, 14820, 15171, 16055, 19266, 20228, 22173, 23340, 25285, 29564, 30342, 32110, 36955, 38532, 44346, 48165, 50570, 60684, 64220, 65741, 73910, 75855, 88692, 96083, 96330, 101140, 110865, 131482, 147820, 151710, 192166, 192660, 197223, 221730, 262964, 288249, 303420, 328705, 384332, 394446, 443460, 480415, 576498, 657410, 788892, 960830, 986115, 1152996, 1249079, 1314820, 1441245, 1921660, 1972230, 2498158, 2882490, 3747237, 3944460, 4996316, 5764980, 6245395, 7494474, 12490790, 14988948, 18736185, 24981580, 37472370, 74944740]

約数ペア:

[(1, 74944740), (2, 37472370), (3, 24981580), (4, 18736185), (5, 14988948), (6, 12490790), (10, 7494474), (12, 6245395), (13, 5764980), (15, 4996316), (19, 3944460), (20, 3747237), (26, 2882490), (30, 2498158), (38, 1972230), (39, 1921660), (52, 1441245), (57, 1314820), (60, 1249079), (65, 1152996), (76, 986115), (78, 960830), (95, 788892), (114, 657410), (130, 576498), (156, 480415), (169, 443460), (190, 394446), (195, 384332), (228, 328705), (247, 303420), (260, 288249), (285, 262964), (338, 221730), (380, 197223), (389, 192660), (390, 192166), (494, 151710), (507, 147820), (570, 131482), (676, 110865), (741, 101140), (778, 96330), (780, 96083), (845, 88692), (988, 75855), (1014, 73910), (1140, 65741), (1167, 64220), (1235, 60684), (1482, 50570), (1556, 48165), (1690, 44346), (1945, 38532), (2028, 36955), (2334, 32110), (2470, 30342), (2535, 29564), (2964, 25285), (3211, 23340), (3380, 22173), (3705, 20228), (3890, 19266), (4668, 16055), (4940, 15171), (5057, 14820), (5070, 14782), (5835, 12844), (6422, 11670), (7391, 10140), (7410, 10114), (7780, 9633)]