19882998720

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 1008

約数和(自身を含む): 82228517280

約数和(自身を除く): 62345518560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 64, 65, 68, 72, 78, 80, 81, 85, 89, 90, 96, 102, 104, 108, 117, 120, 130, 135, 136, 144, 153, 156, 160, 162, 169, 170, 178, 180, 192, 195, 204, 208, 216, 221, 234, 240, 243, 255, 260, 267, 270, 272, 288, 306, 312, 320, 324, 338, 340, 351, 356, 360, 390, 405, 408, 416, 432, 442, 445, 459, 468, 480, 486, 507, 510, 520, 534, 540, 544, 576, 585, 612, 624, 648, 663, 676, 680, 702, 712, 720, 765, 780, 801, 810, 816, 832, 845, 864, 884, 890, 918, 936, 960, 972, 1014, 1020, 1040, 1053, 1068, 1080, 1088, 1105, 1157, 1170, 1215, 1224, 1248, 1296, 1326, 1335, 1352, 1360, 1377, 1404, 1424, 1440, 1513, 1521, 1530, 1560, 1602, 1620, 1632, 1690, 1728, 1755, 1768, 1780, 1836, 1872, 1944, 1989, 2028, 2040, 2080, 2106, 2136, 2160, 2210, 2295, 2314, 2340, 2403, 2430, 2448, 2496, 2535, 2592, 2652, 2670, 2704, 2720, 2754, 2808, 2848, 2873, 2880, 3026, 3042, 3060, 3120, 3159, 3204, 3240, 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約数ペア:

[(1, 19882998720), (2, 9941499360), (3, 6627666240), (4, 4970749680), (5, 3976599744), (6, 3313833120), (8, 2485374840), (9, 2209222080), (10, 1988299872), (12, 1656916560), (13, 1529461440), (15, 1325533248), (16, 1242687420), (17, 1169588160), (18, 1104611040), (20, 994149936), (24, 828458280), (26, 764730720), (27, 736407360), (30, 662766624), (32, 621343710), (34, 584794080), (36, 552305520), (39, 509820480), (40, 497074968), (45, 441844416), (48, 414229140), (51, 389862720), (52, 382365360), (54, 368203680), (60, 331383312), (64, 310671855), (65, 305892288), (68, 292397040), (72, 276152760), (78, 254910240), (80, 248537484), (81, 245469120), (85, 233917632), (89, 223404480), (90, 220922208), (96, 207114570), (102, 194931360), (104, 191182680), (108, 184101840), (117, 169940160), (120, 165691656), (130, 152946144), (135, 147281472), (136, 146198520), (144, 138076380), (153, 129954240), (156, 127455120), (160, 124268742), (162, 122734560), (169, 117650880), (170, 116958816), (178, 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