816900840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10457}}^1$

素因数の和:10512

約数の個数: 192

約数和(自身を含む): 3132380160

約数和(自身を除く): 2315479320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 10457, 11160, 13020, 15624, 19530, 20914, 26040, 31371, 39060, 41828, 52285, 62742, 73199, 78120, 83656, 94113, 104570, 125484, 146398, 156855, 188226, 209140, 219597, 250968, 292796, 313710, 324167, 365995, 376452, 418280, 439194, 470565, 585592, 627420, 648334, 658791, 731990, 752904, 878388, 941130, 972501, 1097985, 1254840, 1296668, 1317582, 1463980, 1620835, 1756776, 1882260, 1945002, 2195970, 2269169, 2593336, 2635164, 2917503, 2927960, 3241670, 3293955, 3764520, 3890004, 4391940, 4538338, 4862505, 5270328, 5835006, 6483340, 6587910, 6807507, 7780008, 8783880, 9076676, 9725010, 11345845, 11670012, 12966680, 13175820, 13615014, 14587515, 18153352, 19450020, 20422521, 22691690, 23340024, 26351640, 27230028, 29175030, 34037535, 38900040, 40845042, 45383380, 54460056, 58350060, 68075070, 81690084, 90766760, 102112605, 116700120, 136150140, 163380168, 204225210, 272300280, 408450420, 816900840]

約数ペア:

[(1, 816900840), (2, 408450420), (3, 272300280), (4, 204225210), (5, 163380168), (6, 136150140), (7, 116700120), (8, 102112605), (9, 90766760), (10, 81690084), (12, 68075070), (14, 58350060), (15, 54460056), (18, 45383380), (20, 40845042), (21, 38900040), (24, 34037535), (28, 29175030), (30, 27230028), (31, 26351640), (35, 23340024), (36, 22691690), (40, 20422521), (42, 19450020), (45, 18153352), (56, 14587515), (60, 13615014), (62, 13175820), (63, 12966680), (70, 11670012), (72, 11345845), (84, 9725010), (90, 9076676), (93, 8783880), (105, 7780008), (120, 6807507), (124, 6587910), (126, 6483340), (140, 5835006), (155, 5270328), (168, 4862505), (180, 4538338), (186, 4391940), (210, 3890004), (217, 3764520), (248, 3293955), (252, 3241670), (279, 2927960), (280, 2917503), (310, 2635164), (315, 2593336), (360, 2269169), (372, 2195970), (420, 1945002), (434, 1882260), (465, 1756776), (504, 1620835), (558, 1463980), (620, 1317582), (630, 1296668), (651, 1254840), (744, 1097985), (840, 972501), (868, 941130), (930, 878388), (1085, 752904), (1116, 731990), (1240, 658791), (1260, 648334), (1302, 627420), (1395, 585592), (1736, 470565), (1860, 439194), (1953, 418280), (2170, 376452), (2232, 365995), (2520, 324167), (2604, 313710), (2790, 292796), (3255, 250968), (3720, 219597), (3906, 209140), (4340, 188226), (5208, 156855), (5580, 146398), (6510, 125484), (7812, 104570), (8680, 94113), (9765, 83656), (10457, 78120), (11160, 73199), (13020, 62742), (15624, 52285), (19530, 41828), (20914, 39060), (26040, 31371)]