245948640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{10457}}^1$

素因数の和:10489

約数の個数: 144

約数和(自身を含む): 901312272

約数和(自身を除く): 655363632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 10457, 11760, 20914, 23520, 31371, 41828, 52285, 62742, 73199, 83656, 104570, 125484, 146398, 156855, 167312, 209140, 219597, 250968, 292796, 313710, 334624, 365995, 418280, 439194, 501936, 512393, 585592, 627420, 731990, 836560, 878388, 1003872, 1024786, 1097985, 1171184, 1254840, 1463980, 1537179, 1673120, 1756776, 2049572, 2195970, 2342368, 2509680, 2561965, 2927960, 3074358, 3513552, 4099144, 4391940, 5019360, 5123930, 5855920, 6148716, 7027104, 7685895, 8198288, 8783880, 10247860, 11711840, 12297432, 15371790, 16396576, 17567760, 20495720, 24594864, 30743580, 35135520, 40991440, 49189728, 61487160, 81982880, 122974320, 245948640]

約数ペア:

[(1, 245948640), (2, 122974320), (3, 81982880), (4, 61487160), (5, 49189728), (6, 40991440), (7, 35135520), (8, 30743580), (10, 24594864), (12, 20495720), (14, 17567760), (15, 16396576), (16, 15371790), (20, 12297432), (21, 11711840), (24, 10247860), (28, 8783880), (30, 8198288), (32, 7685895), (35, 7027104), (40, 6148716), (42, 5855920), (48, 5123930), (49, 5019360), (56, 4391940), (60, 4099144), (70, 3513552), (80, 3074358), (84, 2927960), (96, 2561965), (98, 2509680), (105, 2342368), (112, 2195970), (120, 2049572), (140, 1756776), (147, 1673120), (160, 1537179), (168, 1463980), (196, 1254840), (210, 1171184), (224, 1097985), (240, 1024786), (245, 1003872), (280, 878388), (294, 836560), (336, 731990), (392, 627420), (420, 585592), (480, 512393), (490, 501936), (560, 439194), (588, 418280), (672, 365995), (735, 334624), (784, 313710), (840, 292796), (980, 250968), (1120, 219597), (1176, 209140), (1470, 167312), (1568, 156855), (1680, 146398), (1960, 125484), (2352, 104570), (2940, 83656), (3360, 73199), (3920, 62742), (4704, 52285), (5880, 41828), (7840, 31371), (10457, 23520), (11760, 20914)]