31242960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6199}}^1$

素因数の和:6225

約数の個数: 120

約数和(自身を含む): 119932800

約数和(自身を除く): 88689840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 6199, 12398, 18597, 24796, 30995, 37194, 43393, 49592, 55791, 61990, 74388, 86786, 92985, 99184, 111582, 123980, 130179, 148776, 173572, 185970, 216965, 223164, 247960, 260358, 278955, 297552, 347144, 371940, 390537, 433930, 446328, 495920, 520716, 557910, 650895, 694288, 743880, 781074, 867860, 892656, 1041432, 1115820, 1301790, 1487760, 1562148, 1735720, 1952685, 2082864, 2231640, 2603580, 3124296, 3471440, 3905370, 4463280, 5207160, 6248592, 7810740, 10414320, 15621480, 31242960]

約数ペア:

[(1, 31242960), (2, 15621480), (3, 10414320), (4, 7810740), (5, 6248592), (6, 5207160), (7, 4463280), (8, 3905370), (9, 3471440), (10, 3124296), (12, 2603580), (14, 2231640), (15, 2082864), (16, 1952685), (18, 1735720), (20, 1562148), (21, 1487760), (24, 1301790), (28, 1115820), (30, 1041432), (35, 892656), (36, 867860), (40, 781074), (42, 743880), (45, 694288), (48, 650895), (56, 557910), (60, 520716), (63, 495920), (70, 446328), (72, 433930), (80, 390537), (84, 371940), (90, 347144), (105, 297552), (112, 278955), (120, 260358), (126, 247960), (140, 223164), (144, 216965), (168, 185970), (180, 173572), (210, 148776), (240, 130179), (252, 123980), (280, 111582), (315, 99184), (336, 92985), (360, 86786), (420, 74388), (504, 61990), (560, 55791), (630, 49592), (720, 43393), (840, 37194), (1008, 30995), (1260, 24796), (1680, 18597), (2520, 12398), (5040, 6199)]