77721780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:973

約数の個数: 96

約数和(自身を含む): 232243200

約数和(自身を除く): 154521420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 79, 95, 114, 158, 190, 228, 237, 285, 316, 380, 395, 474, 570, 790, 863, 948, 1140, 1185, 1501, 1580, 1726, 2370, 2589, 3002, 3452, 4315, 4503, 4740, 5178, 6004, 7505, 8630, 9006, 10356, 12945, 15010, 16397, 17260, 18012, 22515, 25890, 30020, 32794, 45030, 49191, 51780, 65588, 68177, 81985, 90060, 98382, 136354, 163970, 196764, 204531, 245955, 272708, 327940, 340885, 409062, 491910, 681770, 818124, 983820, 1022655, 1295363, 1363540, 2045310, 2590726, 3886089, 4090620, 5181452, 6476815, 7772178, 12953630, 15544356, 19430445, 25907260, 38860890, 77721780]

約数ペア:

[(1, 77721780), (2, 38860890), (3, 25907260), (4, 19430445), (5, 15544356), (6, 12953630), (10, 7772178), (12, 6476815), (15, 5181452), (19, 4090620), (20, 3886089), (30, 2590726), (38, 2045310), (57, 1363540), (60, 1295363), (76, 1022655), (79, 983820), (95, 818124), (114, 681770), (158, 491910), (190, 409062), (228, 340885), (237, 327940), (285, 272708), (316, 245955), (380, 204531), (395, 196764), (474, 163970), (570, 136354), (790, 98382), (863, 90060), (948, 81985), (1140, 68177), (1185, 65588), (1501, 51780), (1580, 49191), (1726, 45030), (2370, 32794), (2589, 30020), (3002, 25890), (3452, 22515), (4315, 18012), (4503, 17260), (4740, 16397), (5178, 15010), (6004, 12945), (7505, 10356), (8630, 9006)]