18904540500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{61}}^2\times {\mathrm{1129}}^1$

素因数の和:1276

約数の個数: 216

約数和(自身を含む): 60684918840

約数和(自身を除く): 41780378340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 61, 75, 90, 100, 122, 125, 150, 180, 183, 225, 244, 250, 300, 305, 366, 375, 450, 500, 549, 610, 732, 750, 900, 915, 1098, 1125, 1129, 1220, 1500, 1525, 1830, 2196, 2250, 2258, 2745, 3050, 3387, 3660, 3721, 4500, 4516, 4575, 5490, 5645, 6100, 6774, 7442, 7625, 9150, 10161, 10980, 11163, 11290, 13548, 13725, 14884, 15250, 16935, 18300, 18605, 20322, 22326, 22580, 22875, 27450, 28225, 30500, 33489, 33870, 37210, 40644, 44652, 45750, 50805, 54900, 55815, 56450, 66978, 67740, 68625, 68869, 74420, 84675, 91500, 93025, 101610, 111630, 112900, 133956, 137250, 137738, 141125, 167445, 169350, 186050, 203220, 206607, 223260, 254025, 274500, 275476, 279075, 282250, 334890, 338700, 344345, 372100, 413214, 423375, 465125, 508050, 558150, 564500, 619821, 669780, 688690, 826428, 837225, 846750, 930250, 1016100, 1033035, 1116300, 1239642, 1270125, 1377380, 1395375, 1674450, 1693500, 1721725, 1860500, 2066070, 2479284, 2540250, 2790750, 3099105, 3348900, 3443450, 4132140, 4186125, 4201009, 5080500, 5165175, 5581500, 6198210, 6886900, 8372250, 8402018, 8608625, 10330350, 12396420, 12603027, 15495525, 16744500, 16804036, 17217250, 20660700, 21005045, 25206054, 25825875, 30991050, 34434500, 37809081, 42010090, 50412108, 51651750, 61982100, 63015135, 75618162, 77477625, 84020180, 103303500, 105025225, 126030270, 151236324, 154955250, 189045405, 210050450, 252060540, 309910500, 315075675, 378090810, 420100900, 525126125, 630151350, 756181620, 945227025, 1050252250, 1260302700, 1575378375, 1890454050, 2100504500, 3150756750, 3780908100, 4726135125, 6301513500, 9452270250, 18904540500]

約数ペア:

[(1, 18904540500), (2, 9452270250), (3, 6301513500), (4, 4726135125), (5, 3780908100), (6, 3150756750), (9, 2100504500), (10, 1890454050), (12, 1575378375), (15, 1260302700), (18, 1050252250), (20, 945227025), (25, 756181620), (30, 630151350), (36, 525126125), (45, 420100900), (50, 378090810), (60, 315075675), (61, 309910500), (75, 252060540), (90, 210050450), (100, 189045405), (122, 154955250), (125, 151236324), (150, 126030270), (180, 105025225), (183, 103303500), (225, 84020180), (244, 77477625), (250, 75618162), (300, 63015135), (305, 61982100), (366, 51651750), (375, 50412108), (450, 42010090), (500, 37809081), (549, 34434500), (610, 30991050), (732, 25825875), (750, 25206054), (900, 21005045), (915, 20660700), (1098, 17217250), (1125, 16804036), (1129, 16744500), (1220, 15495525), (1500, 12603027), (1525, 12396420), (1830, 10330350), (2196, 8608625), (2250, 8402018), (2258, 8372250), (2745, 6886900), (3050, 6198210), (3387, 5581500), (3660, 5165175), (3721, 5080500), (4500, 4201009), (4516, 4186125), (4575, 4132140), (5490, 3443450), (5645, 3348900), (6100, 3099105), (6774, 2790750), (7442, 2540250), (7625, 2479284), (9150, 2066070), (10161, 1860500), (10980, 1721725), (11163, 1693500), (11290, 1674450), (13548, 1395375), (13725, 1377380), (14884, 1270125), (15250, 1239642), (16935, 1116300), (18300, 1033035), (18605, 1016100), (20322, 930250), (22326, 846750), (22580, 837225), (22875, 826428), (27450, 688690), (28225, 669780), (30500, 619821), (33489, 564500), (33870, 558150), (37210, 508050), (40644, 465125), (44652, 423375), (45750, 413214), (50805, 372100), (54900, 344345), (55815, 338700), (56450, 334890), (66978, 282250), (67740, 279075), (68625, 275476), (68869, 274500), (74420, 254025), (84675, 223260), (91500, 206607), (93025, 203220), (101610, 186050), (111630, 169350), (112900, 167445), (133956, 141125), (137250, 137738)]