640188120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37307}}^1$

素因数の和:37345

約数の個数: 128

約数和(自身を含む): 2256387840

約数和(自身を除く): 1616199720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 17160, 37307, 74614, 111921, 149228, 186535, 223842, 298456, 373070, 410377, 447684, 484991, 559605, 746140, 820754, 895368, 969982, 1119210, 1231131, 1454973, 1492280, 1641508, 1939964, 2051885, 2238420, 2424955, 2462262, 2909946, 3283016, 3879928, 4103770, 4476840, 4849910, 4924524, 5334901, 5819892, 6155655, 7274865, 8207540, 9699820, 9849048, 10669802, 11639784, 12311310, 14549730, 16004703, 16415080, 19399640, 21339604, 24622620, 26674505, 29099460, 32009406, 42679208, 49245240, 53349010, 58198920, 64018812, 80023515, 106698020, 128037624, 160047030, 213396040, 320094060, 640188120]

約数ペア:

[(1, 640188120), (2, 320094060), (3, 213396040), (4, 160047030), (5, 128037624), (6, 106698020), (8, 80023515), (10, 64018812), (11, 58198920), (12, 53349010), (13, 49245240), (15, 42679208), (20, 32009406), (22, 29099460), (24, 26674505), (26, 24622620), (30, 21339604), (33, 19399640), (39, 16415080), (40, 16004703), (44, 14549730), (52, 12311310), (55, 11639784), (60, 10669802), (65, 9849048), (66, 9699820), (78, 8207540), (88, 7274865), (104, 6155655), (110, 5819892), (120, 5334901), (130, 4924524), (132, 4849910), (143, 4476840), (156, 4103770), (165, 3879928), (195, 3283016), (220, 2909946), (260, 2462262), (264, 2424955), (286, 2238420), (312, 2051885), (330, 1939964), (390, 1641508), (429, 1492280), (440, 1454973), (520, 1231131), (572, 1119210), (660, 969982), (715, 895368), (780, 820754), (858, 746140), (1144, 559605), (1320, 484991), (1430, 447684), (1560, 410377), (1716, 373070), (2145, 298456), (2860, 223842), (3432, 186535), (4290, 149228), (5720, 111921), (8580, 74614), (17160, 37307)]