77742420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:910

約数の個数: 144

約数和(自身を含む): 261692928

約数和(自身を除く): 183950508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 853, 868, 930, 980, 1085, 1302, 1470, 1519, 1706, 1860, 2170, 2559, 2604, 2940, 3038, 3255, 3412, 4265, 4340, 4557, 5118, 5971, 6076, 6510, 7595, 8530, 9114, 10236, 11942, 12795, 13020, 15190, 17060, 17913, 18228, 22785, 23884, 25590, 26443, 29855, 30380, 35826, 41797, 45570, 51180, 52886, 59710, 71652, 79329, 83594, 89565, 91140, 105772, 119420, 125391, 132215, 158658, 167188, 179130, 185101, 208985, 250782, 264430, 317316, 358260, 370202, 396645, 417970, 501564, 528860, 555303, 626955, 740404, 793290, 835940, 925505, 1110606, 1253910, 1295707, 1586580, 1851010, 2221212, 2507820, 2591414, 2776515, 3702020, 3887121, 5182828, 5553030, 6478535, 7774242, 11106060, 12957070, 15548484, 19435605, 25914140, 38871210, 77742420]

約数ペア:

[(1, 77742420), (2, 38871210), (3, 25914140), (4, 19435605), (5, 15548484), (6, 12957070), (7, 11106060), (10, 7774242), (12, 6478535), (14, 5553030), (15, 5182828), (20, 3887121), (21, 3702020), (28, 2776515), (30, 2591414), (31, 2507820), (35, 2221212), (42, 1851010), (49, 1586580), (60, 1295707), (62, 1253910), (70, 1110606), (84, 925505), (93, 835940), (98, 793290), (105, 740404), (124, 626955), (140, 555303), (147, 528860), (155, 501564), (186, 417970), (196, 396645), (210, 370202), (217, 358260), (245, 317316), (294, 264430), (310, 250782), (372, 208985), (420, 185101), (434, 179130), (465, 167188), (490, 158658), (588, 132215), (620, 125391), (651, 119420), (735, 105772), (853, 91140), (868, 89565), (930, 83594), (980, 79329), (1085, 71652), (1302, 59710), (1470, 52886), (1519, 51180), (1706, 45570), (1860, 41797), (2170, 35826), (2559, 30380), (2604, 29855), (2940, 26443), (3038, 25590), (3255, 23884), (3412, 22785), (4265, 18228), (4340, 17913), (4557, 17060), (5118, 15190), (5971, 13020), (6076, 12795), (6510, 11942), (7595, 10236), (8530, 9114)]