421665480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20549}}^1$

素因数の和:20588

約数の個数: 128

約数和(自身を含む): 1479600000

約数和(自身を除く): 1057934520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 20549, 41098, 61647, 82196, 102745, 123294, 164392, 184941, 205490, 246588, 308235, 369882, 390431, 410980, 493176, 554823, 616470, 739764, 780862, 821960, 924705, 1109646, 1171293, 1232940, 1479528, 1561724, 1849410, 1952155, 2219292, 2342586, 2465880, 2774115, 3123448, 3513879, 3698820, 3904310, 4438584, 4685172, 5548230, 5856465, 7027758, 7397640, 7808620, 9370344, 10541637, 11096460, 11712930, 14055516, 15617240, 17569395, 21083274, 22192920, 23425860, 28111032, 35138790, 42166548, 46851720, 52708185, 70277580, 84333096, 105416370, 140555160, 210832740, 421665480]

約数ペア:

[(1, 421665480), (2, 210832740), (3, 140555160), (4, 105416370), (5, 84333096), (6, 70277580), (8, 52708185), (9, 46851720), (10, 42166548), (12, 35138790), (15, 28111032), (18, 23425860), (19, 22192920), (20, 21083274), (24, 17569395), (27, 15617240), (30, 14055516), (36, 11712930), (38, 11096460), (40, 10541637), (45, 9370344), (54, 7808620), (57, 7397640), (60, 7027758), (72, 5856465), (76, 5548230), (90, 4685172), (95, 4438584), (108, 3904310), (114, 3698820), (120, 3513879), (135, 3123448), (152, 2774115), (171, 2465880), (180, 2342586), (190, 2219292), (216, 1952155), (228, 1849410), (270, 1561724), (285, 1479528), (342, 1232940), (360, 1171293), (380, 1109646), (456, 924705), (513, 821960), (540, 780862), (570, 739764), (684, 616470), (760, 554823), (855, 493176), (1026, 410980), (1080, 390431), (1140, 369882), (1368, 308235), (1710, 246588), (2052, 205490), (2280, 184941), (2565, 164392), (3420, 123294), (4104, 102745), (5130, 82196), (6840, 61647), (10260, 41098), (20520, 20549)]