408131880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{659}}^1$

素因数の和:1083

約数の個数: 128

約数和(自身を含む): 1323907200

約数和(自身を除く): 915775320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 397, 520, 659, 780, 794, 1191, 1318, 1560, 1588, 1977, 1985, 2382, 2636, 3176, 3295, 3954, 3970, 4764, 5161, 5272, 5955, 6590, 7908, 7940, 8567, 9528, 9885, 10322, 11910, 13180, 15483, 15816, 15880, 17134, 19770, 20644, 23820, 25701, 25805, 26360, 30966, 34268, 39540, 41288, 42835, 47640, 51402, 51610, 61932, 68536, 77415, 79080, 85670, 102804, 103220, 123864, 128505, 154830, 171340, 205608, 206440, 257010, 261623, 309660, 342680, 514020, 523246, 619320, 784869, 1028040, 1046492, 1308115, 1569738, 2092984, 2616230, 3139476, 3401099, 3924345, 5232460, 6278952, 6802198, 7848690, 10203297, 10464920, 13604396, 15697380, 17005495, 20406594, 27208792, 31394760, 34010990, 40813188, 51016485, 68021980, 81626376, 102032970, 136043960, 204065940, 408131880]

約数ペア:

[(1, 408131880), (2, 204065940), (3, 136043960), (4, 102032970), (5, 81626376), (6, 68021980), (8, 51016485), (10, 40813188), (12, 34010990), (13, 31394760), (15, 27208792), (20, 20406594), (24, 17005495), (26, 15697380), (30, 13604396), (39, 10464920), (40, 10203297), (52, 7848690), (60, 6802198), (65, 6278952), (78, 5232460), (104, 3924345), (120, 3401099), (130, 3139476), (156, 2616230), (195, 2092984), (260, 1569738), (312, 1308115), (390, 1046492), (397, 1028040), (520, 784869), (659, 619320), (780, 523246), (794, 514020), (1191, 342680), (1318, 309660), (1560, 261623), (1588, 257010), (1977, 206440), (1985, 205608), (2382, 171340), (2636, 154830), (3176, 128505), (3295, 123864), (3954, 103220), (3970, 102804), (4764, 85670), (5161, 79080), (5272, 77415), (5955, 68536), (6590, 61932), (7908, 51610), (7940, 51402), (8567, 47640), (9528, 42835), (9885, 41288), (10322, 39540), (11910, 34268), (13180, 30966), (15483, 26360), (15816, 25805), (15880, 25701), (17134, 23820), (19770, 20644)]