245237580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^2$

素因数の和:253

約数の個数: 216

約数和(自身を含む): 908657568

約数和(自身を除く): 663419988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 107, 119, 126, 140, 153, 170, 180, 204, 210, 214, 238, 252, 255, 306, 315, 321, 340, 357, 420, 428, 476, 510, 535, 595, 612, 630, 642, 714, 749, 765, 963, 1020, 1070, 1071, 1190, 1260, 1284, 1428, 1498, 1530, 1605, 1785, 1819, 1926, 2140, 2142, 2247, 2380, 2996, 3060, 3210, 3570, 3638, 3745, 3852, 4284, 4494, 4815, 5355, 5457, 6420, 6741, 7140, 7276, 7490, 8988, 9095, 9630, 10710, 10914, 11235, 11449, 12733, 13482, 14980, 16371, 18190, 19260, 21420, 21828, 22470, 22898, 25466, 26964, 27285, 32742, 33705, 34347, 36380, 38199, 44940, 45796, 50932, 54570, 57245, 63665, 65484, 67410, 68694, 76398, 80143, 81855, 103041, 109140, 114490, 114597, 127330, 134820, 137388, 152796, 160286, 163710, 171735, 190995, 194633, 206082, 228980, 229194, 240429, 254660, 320572, 327420, 343470, 381990, 389266, 400715, 412164, 458388, 480858, 515205, 572985, 583899, 686940, 721287, 763980, 778532, 801430, 961716, 973165, 1030410, 1145970, 1167798, 1202145, 1362431, 1442574, 1602860, 1751697, 1946330, 2060820, 2291940, 2335596, 2404290, 2724862, 2885148, 2919495, 3503394, 3606435, 3892660, 4087293, 4808580, 5449724, 5838990, 6812155, 7006788, 7212870, 8174586, 8758485, 11677980, 12261879, 13624310, 14425740, 16349172, 17516970, 20436465, 24523758, 27248620, 35033940, 40872930, 49047516, 61309395, 81745860, 122618790, 245237580]

約数ペア:

[(1, 245237580), (2, 122618790), (3, 81745860), (4, 61309395), (5, 49047516), (6, 40872930), (7, 35033940), (9, 27248620), (10, 24523758), (12, 20436465), (14, 17516970), (15, 16349172), (17, 14425740), (18, 13624310), (20, 12261879), (21, 11677980), (28, 8758485), (30, 8174586), (34, 7212870), (35, 7006788), (36, 6812155), (42, 5838990), (45, 5449724), (51, 4808580), (60, 4087293), (63, 3892660), (68, 3606435), (70, 3503394), (84, 2919495), (85, 2885148), (90, 2724862), (102, 2404290), (105, 2335596), (107, 2291940), (119, 2060820), (126, 1946330), (140, 1751697), (153, 1602860), (170, 1442574), (180, 1362431), (204, 1202145), (210, 1167798), (214, 1145970), (238, 1030410), (252, 973165), (255, 961716), (306, 801430), (315, 778532), (321, 763980), (340, 721287), (357, 686940), (420, 583899), (428, 572985), (476, 515205), (510, 480858), (535, 458388), (595, 412164), (612, 400715), (630, 389266), (642, 381990), (714, 343470), (749, 327420), (765, 320572), (963, 254660), (1020, 240429), (1070, 229194), (1071, 228980), (1190, 206082), (1260, 194633), (1284, 190995), (1428, 171735), (1498, 163710), (1530, 160286), (1605, 152796), (1785, 137388), (1819, 134820), (1926, 127330), (2140, 114597), (2142, 114490), (2247, 109140), (2380, 103041), (2996, 81855), (3060, 80143), (3210, 76398), (3570, 68694), (3638, 67410), (3745, 65484), (3852, 63665), (4284, 57245), (4494, 54570), (4815, 50932), (5355, 45796), (5457, 44940), (6420, 38199), (6741, 36380), (7140, 34347), (7276, 33705), (7490, 32742), (8988, 27285), (9095, 26964), (9630, 25466), (10710, 22898), (10914, 22470), (11235, 21828), (11449, 21420), (12733, 19260), (13482, 18190), (14980, 16371)]