308801520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 240

約数和(自身を含む): 1079395200

約数和(自身を除く): 770593680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 79, 80, 89, 90, 120, 122, 144, 158, 178, 180, 183, 237, 240, 244, 267, 305, 316, 356, 360, 366, 395, 445, 474, 488, 534, 549, 610, 632, 711, 712, 720, 732, 790, 801, 890, 915, 948, 976, 1068, 1098, 1185, 1220, 1264, 1335, 1422, 1424, 1464, 1580, 1602, 1780, 1830, 1896, 2136, 2196, 2370, 2440, 2670, 2745, 2844, 2928, 3160, 3204, 3555, 3560, 3660, 3792, 4005, 4272, 4392, 4740, 4819, 4880, 5340, 5429, 5490, 5688, 6320, 6408, 7031, 7110, 7120, 7320, 8010, 8784, 9480, 9638, 10680, 10858, 10980, 11376, 12816, 14062, 14220, 14457, 14640, 16020, 16287, 18960, 19276, 21093, 21360, 21716, 21960, 24095, 27145, 28124, 28440, 28914, 32040, 32574, 35155, 38552, 42186, 43371, 43432, 43920, 48190, 48861, 54290, 56248, 56880, 57828, 63279, 64080, 65148, 70310, 72285, 77104, 81435, 84372, 86742, 86864, 96380, 97722, 105465, 108580, 112496, 115656, 126558, 130296, 140620, 144570, 162870, 168744, 173484, 192760, 195444, 210930, 216855, 217160, 231312, 244305, 253116, 260592, 281240, 289140, 316395, 325740, 337488, 346968, 385520, 390888, 421860, 428891, 433710, 434320, 488610, 506232, 562480, 578280, 632790, 651480, 693936, 781776, 843720, 857782, 867420, 977220, 1012464, 1156560, 1265580, 1286673, 1302960, 1687440, 1715564, 1734840, 1954440, 2144455, 2531160, 2573346, 3431128, 3469680, 3860019, 3908880, 4288910, 5062320, 5146692, 6433365, 6862256, 7720038, 8577820, 10293384, 12866730, 15440076, 17155640, 19300095, 20586768, 25733460, 30880152, 34311280, 38600190, 51466920, 61760304, 77200380, 102933840, 154400760, 308801520]

約数ペア:

[(1, 308801520), (2, 154400760), (3, 102933840), (4, 77200380), (5, 61760304), (6, 51466920), (8, 38600190), (9, 34311280), (10, 30880152), (12, 25733460), (15, 20586768), (16, 19300095), (18, 17155640), (20, 15440076), (24, 12866730), (30, 10293384), (36, 8577820), (40, 7720038), (45, 6862256), (48, 6433365), (60, 5146692), (61, 5062320), (72, 4288910), (79, 3908880), (80, 3860019), (89, 3469680), (90, 3431128), (120, 2573346), (122, 2531160), (144, 2144455), (158, 1954440), (178, 1734840), (180, 1715564), (183, 1687440), (237, 1302960), (240, 1286673), (244, 1265580), (267, 1156560), (305, 1012464), (316, 977220), (356, 867420), (360, 857782), (366, 843720), (395, 781776), (445, 693936), (474, 651480), (488, 632790), (534, 578280), (549, 562480), (610, 506232), (632, 488610), (711, 434320), (712, 433710), (720, 428891), (732, 421860), (790, 390888), (801, 385520), (890, 346968), (915, 337488), (948, 325740), (976, 316395), (1068, 289140), (1098, 281240), (1185, 260592), (1220, 253116), (1264, 244305), (1335, 231312), (1422, 217160), (1424, 216855), (1464, 210930), (1580, 195444), (1602, 192760), (1780, 173484), (1830, 168744), (1896, 162870), (2136, 144570), (2196, 140620), (2370, 130296), (2440, 126558), (2670, 115656), (2745, 112496), (2844, 108580), (2928, 105465), (3160, 97722), (3204, 96380), (3555, 86864), (3560, 86742), (3660, 84372), (3792, 81435), (4005, 77104), (4272, 72285), (4392, 70310), (4740, 65148), (4819, 64080), (4880, 63279), (5340, 57828), (5429, 56880), (5490, 56248), (5688, 54290), (6320, 48861), (6408, 48190), (7031, 43920), (7110, 43432), (7120, 43371), (7320, 42186), (8010, 38552), (8784, 35155), (9480, 32574), (9638, 32040), (10680, 28914), (10858, 28440), (10980, 28124), (11376, 27145), (12816, 24095), (14062, 21960), (14220, 21716), (14457, 21360), (14640, 21093), (16020, 19276), (16287, 18960)]