228457320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20955

約数の個数: 128

約数和(自身を含む): 843575040

約数和(自身を除く): 615117720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 20921, 41842, 62763, 83684, 104605, 125526, 146447, 167368, 209210, 251052, 271973, 292894, 313815, 418420, 439341, 502104, 543946, 585788, 627630, 732235, 815919, 836840, 878682, 1087892, 1171576, 1255260, 1359865, 1464470, 1631838, 1757364, 1903811, 2175784, 2196705, 2510520, 2719730, 2928940, 3263676, 3514728, 3807622, 4079595, 4393410, 5439460, 5711433, 5857880, 6527352, 7615244, 8159190, 8786820, 9519055, 10878920, 11422866, 15230488, 16318380, 17573640, 19038110, 22845732, 28557165, 32636760, 38076220, 45691464, 57114330, 76152440, 114228660, 228457320]

約数ペア:

[(1, 228457320), (2, 114228660), (3, 76152440), (4, 57114330), (5, 45691464), (6, 38076220), (7, 32636760), (8, 28557165), (10, 22845732), (12, 19038110), (13, 17573640), (14, 16318380), (15, 15230488), (20, 11422866), (21, 10878920), (24, 9519055), (26, 8786820), (28, 8159190), (30, 7615244), (35, 6527352), (39, 5857880), (40, 5711433), (42, 5439460), (52, 4393410), (56, 4079595), (60, 3807622), (65, 3514728), (70, 3263676), (78, 2928940), (84, 2719730), (91, 2510520), (104, 2196705), (105, 2175784), (120, 1903811), (130, 1757364), (140, 1631838), (156, 1464470), (168, 1359865), (182, 1255260), (195, 1171576), (210, 1087892), (260, 878682), (273, 836840), (280, 815919), (312, 732235), (364, 627630), (390, 585788), (420, 543946), (455, 502104), (520, 439341), (546, 418420), (728, 313815), (780, 292894), (840, 271973), (910, 251052), (1092, 209210), (1365, 167368), (1560, 146447), (1820, 125526), (2184, 104605), (2730, 83684), (3640, 62763), (5460, 41842), (10920, 20921)]