201891720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1319

約数の個数: 128

約数和(自身を含む): 646819200

約数和(自身を除く): 444927480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 73, 76, 95, 114, 120, 146, 152, 190, 219, 228, 285, 292, 365, 380, 438, 456, 570, 584, 730, 760, 876, 1095, 1140, 1213, 1387, 1460, 1752, 2190, 2280, 2426, 2774, 2920, 3639, 4161, 4380, 4852, 5548, 6065, 6935, 7278, 8322, 8760, 9704, 11096, 12130, 13870, 14556, 16644, 18195, 20805, 23047, 24260, 27740, 29112, 33288, 36390, 41610, 46094, 48520, 55480, 69141, 72780, 83220, 88549, 92188, 115235, 138282, 145560, 166440, 177098, 184376, 230470, 265647, 276564, 345705, 354196, 442745, 460940, 531294, 553128, 691410, 708392, 885490, 921880, 1062588, 1328235, 1382820, 1682431, 1770980, 2125176, 2656470, 2765640, 3364862, 3541960, 5047293, 5312940, 6729724, 8412155, 10094586, 10625880, 13459448, 16824310, 20189172, 25236465, 33648620, 40378344, 50472930, 67297240, 100945860, 201891720]

約数ペア:

[(1, 201891720), (2, 100945860), (3, 67297240), (4, 50472930), (5, 40378344), (6, 33648620), (8, 25236465), (10, 20189172), (12, 16824310), (15, 13459448), (19, 10625880), (20, 10094586), (24, 8412155), (30, 6729724), (38, 5312940), (40, 5047293), (57, 3541960), (60, 3364862), (73, 2765640), (76, 2656470), (95, 2125176), (114, 1770980), (120, 1682431), (146, 1382820), (152, 1328235), (190, 1062588), (219, 921880), (228, 885490), (285, 708392), (292, 691410), (365, 553128), (380, 531294), (438, 460940), (456, 442745), (570, 354196), (584, 345705), (730, 276564), (760, 265647), (876, 230470), (1095, 184376), (1140, 177098), (1213, 166440), (1387, 145560), (1460, 138282), (1752, 115235), (2190, 92188), (2280, 88549), (2426, 83220), (2774, 72780), (2920, 69141), (3639, 55480), (4161, 48520), (4380, 46094), (4852, 41610), (5548, 36390), (6065, 33288), (6935, 29112), (7278, 27740), (8322, 24260), (8760, 23047), (9704, 20805), (11096, 18195), (12130, 16644), (13870, 14556)]