398513520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:805

約数の個数: 200

約数和(自身を含む): 1401673680

約数和(自身を除く): 1003160160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 89, 90, 108, 120, 135, 144, 162, 178, 180, 216, 240, 267, 270, 324, 356, 360, 405, 432, 445, 534, 540, 648, 691, 712, 720, 801, 810, 890, 1068, 1080, 1296, 1335, 1382, 1424, 1602, 1620, 1780, 2073, 2136, 2160, 2403, 2670, 2764, 3204, 3240, 3455, 3560, 4005, 4146, 4272, 4806, 5340, 5528, 6219, 6408, 6480, 6910, 7120, 7209, 8010, 8292, 9612, 10365, 10680, 11056, 12015, 12438, 12816, 13820, 14418, 16020, 16584, 18657, 19224, 20730, 21360, 24030, 24876, 27640, 28836, 31095, 32040, 33168, 36045, 37314, 38448, 41460, 48060, 49752, 55280, 55971, 57672, 61499, 62190, 64080, 72090, 74628, 82920, 93285, 96120, 99504, 111942, 115344, 122998, 124380, 144180, 149256, 165840, 184497, 186570, 192240, 223884, 245996, 248760, 279855, 288360, 298512, 307495, 368994, 373140, 447768, 491992, 497520, 553491, 559710, 576720, 614990, 737988, 746280, 895536, 922485, 983984, 1106982, 1119420, 1229980, 1475976, 1492560, 1660473, 1844970, 2213964, 2238840, 2459960, 2767455, 2951952, 3320946, 3689940, 4427928, 4477680, 4919920, 4981419, 5534910, 6641892, 7379880, 8302365, 8855856, 9962838, 11069820, 13283784, 14759760, 16604730, 19925676, 22139640, 24907095, 26567568, 33209460, 39851352, 44279280, 49814190, 66418920, 79702704, 99628380, 132837840, 199256760, 398513520]

約数ペア:

[(1, 398513520), (2, 199256760), (3, 132837840), (4, 99628380), (5, 79702704), (6, 66418920), (8, 49814190), (9, 44279280), (10, 39851352), (12, 33209460), (15, 26567568), (16, 24907095), (18, 22139640), (20, 19925676), (24, 16604730), (27, 14759760), (30, 13283784), (36, 11069820), (40, 9962838), (45, 8855856), (48, 8302365), (54, 7379880), (60, 6641892), (72, 5534910), (80, 4981419), (81, 4919920), (89, 4477680), (90, 4427928), (108, 3689940), (120, 3320946), (135, 2951952), (144, 2767455), (162, 2459960), (178, 2238840), (180, 2213964), (216, 1844970), (240, 1660473), (267, 1492560), (270, 1475976), (324, 1229980), (356, 1119420), (360, 1106982), (405, 983984), (432, 922485), (445, 895536), (534, 746280), (540, 737988), (648, 614990), (691, 576720), (712, 559710), (720, 553491), (801, 497520), (810, 491992), (890, 447768), (1068, 373140), (1080, 368994), (1296, 307495), (1335, 298512), (1382, 288360), (1424, 279855), (1602, 248760), (1620, 245996), (1780, 223884), (2073, 192240), (2136, 186570), (2160, 184497), (2403, 165840), (2670, 149256), (2764, 144180), (3204, 124380), (3240, 122998), (3455, 115344), (3560, 111942), (4005, 99504), (4146, 96120), (4272, 93285), (4806, 82920), (5340, 74628), (5528, 72090), (6219, 64080), (6408, 62190), (6480, 61499), (6910, 57672), (7120, 55971), (7209, 55280), (8010, 49752), (8292, 48060), (9612, 41460), (10365, 38448), (10680, 37314), (11056, 36045), (12015, 33168), (12438, 32040), (12816, 31095), (13820, 28836), (14418, 27640), (16020, 24876), (16584, 24030), (18657, 21360), (19224, 20730)]