78774540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4391}}^1$

素因数の和:4439

約数の個数: 96

約数和(自身を含む): 247919616

約数和(自身を除く): 169145076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1794, 2990, 3588, 4391, 4485, 5980, 8782, 8970, 13173, 17564, 17940, 21955, 26346, 43910, 52692, 57083, 65865, 87820, 100993, 114166, 131730, 171249, 201986, 228332, 263460, 285415, 302979, 342498, 403972, 504965, 570830, 605958, 684996, 856245, 1009930, 1141660, 1211916, 1312909, 1514895, 1712490, 2019860, 2625818, 3029790, 3424980, 3938727, 5251636, 6059580, 6564545, 7877454, 13129090, 15754908, 19693635, 26258180, 39387270, 78774540]

約数ペア:

[(1, 78774540), (2, 39387270), (3, 26258180), (4, 19693635), (5, 15754908), (6, 13129090), (10, 7877454), (12, 6564545), (13, 6059580), (15, 5251636), (20, 3938727), (23, 3424980), (26, 3029790), (30, 2625818), (39, 2019860), (46, 1712490), (52, 1514895), (60, 1312909), (65, 1211916), (69, 1141660), (78, 1009930), (92, 856245), (115, 684996), (130, 605958), (138, 570830), (156, 504965), (195, 403972), (230, 342498), (260, 302979), (276, 285415), (299, 263460), (345, 228332), (390, 201986), (460, 171249), (598, 131730), (690, 114166), (780, 100993), (897, 87820), (1196, 65865), (1380, 57083), (1495, 52692), (1794, 43910), (2990, 26346), (3588, 21955), (4391, 17940), (4485, 17564), (5980, 13173), (8782, 8970)]