345779720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 929940480

約数和(自身を除く): 584160760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 61, 65, 88, 104, 110, 122, 130, 143, 220, 244, 260, 286, 305, 440, 488, 520, 572, 610, 671, 715, 793, 991, 1144, 1220, 1342, 1430, 1586, 1982, 2440, 2684, 2860, 3172, 3355, 3964, 3965, 4955, 5368, 5720, 6344, 6710, 7928, 7930, 8723, 9910, 10901, 12883, 13420, 15860, 17446, 19820, 21802, 25766, 26840, 31720, 34892, 39640, 43604, 43615, 51532, 54505, 60451, 64415, 69784, 87208, 87230, 103064, 109010, 120902, 128830, 141713, 174460, 218020, 241804, 257660, 283426, 302255, 348920, 436040, 483608, 515320, 566852, 604510, 664961, 708565, 785863, 1133704, 1209020, 1329922, 1417130, 1571726, 2418040, 2659844, 2834260, 3143452, 3324805, 3929315, 5319688, 5668520, 6286904, 6649610, 7858630, 8644493, 13299220, 15717260, 17288986, 26598440, 31434520, 34577972, 43222465, 69155944, 86444930, 172889860, 345779720]

約数ペア:

[(1, 345779720), (2, 172889860), (4, 86444930), (5, 69155944), (8, 43222465), (10, 34577972), (11, 31434520), (13, 26598440), (20, 17288986), (22, 15717260), (26, 13299220), (40, 8644493), (44, 7858630), (52, 6649610), (55, 6286904), (61, 5668520), (65, 5319688), (88, 3929315), (104, 3324805), (110, 3143452), (122, 2834260), (130, 2659844), (143, 2418040), (220, 1571726), (244, 1417130), (260, 1329922), (286, 1209020), (305, 1133704), (440, 785863), (488, 708565), (520, 664961), (572, 604510), (610, 566852), (671, 515320), (715, 483608), (793, 436040), (991, 348920), (1144, 302255), (1220, 283426), (1342, 257660), (1430, 241804), (1586, 218020), (1982, 174460), (2440, 141713), (2684, 128830), (2860, 120902), (3172, 109010), (3355, 103064), (3964, 87230), (3965, 87208), (4955, 69784), (5368, 64415), (5720, 60451), (6344, 54505), (6710, 51532), (7928, 43615), (7930, 43604), (8723, 39640), (9910, 34892), (10901, 31720), (12883, 26840), (13420, 25766), (15860, 21802), (17446, 19820)]