72408525

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 157757760

約数和(自身を除く): 85349235

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 25, 35, 49, 51, 57, 61, 75, 85, 95, 105, 119, 133, 147, 175, 183, 245, 255, 285, 305, 323, 357, 399, 425, 427, 475, 525, 595, 665, 735, 833, 915, 931, 969, 1037, 1159, 1225, 1275, 1281, 1425, 1525, 1615, 1785, 1995, 2135, 2261, 2499, 2793, 2975, 2989, 3111, 3325, 3477, 3675, 4165, 4575, 4655, 4845, 5185, 5795, 6405, 6783, 7259, 8075, 8113, 8925, 8967, 9975, 10675, 11305, 12495, 13965, 14945, 15555, 15827, 17385, 19703, 20825, 21777, 23275, 24225, 24339, 25925, 28975, 32025, 33915, 36295, 40565, 44835, 47481, 50813, 56525, 56791, 59109, 62475, 69825, 74725, 77775, 79135, 86925, 98515, 108885, 121695, 137921, 152439, 169575, 170373, 181475, 202825, 224175, 237405, 254065, 283955, 295545, 395675, 413763, 492575, 544425, 608475, 689605, 762195, 851865, 965447, 1187025, 1270325, 1419775, 1477725, 2068815, 2896341, 3448025, 3810975, 4259325, 4827235, 10344075, 14481705, 24136175, 72408525]

約数ペア:

[(1, 72408525), (3, 24136175), (5, 14481705), (7, 10344075), (15, 4827235), (17, 4259325), (19, 3810975), (21, 3448025), (25, 2896341), (35, 2068815), (49, 1477725), (51, 1419775), (57, 1270325), (61, 1187025), (75, 965447), (85, 851865), (95, 762195), (105, 689605), (119, 608475), (133, 544425), (147, 492575), (175, 413763), (183, 395675), (245, 295545), (255, 283955), (285, 254065), (305, 237405), (323, 224175), (357, 202825), (399, 181475), (425, 170373), (427, 169575), (475, 152439), (525, 137921), (595, 121695), (665, 108885), (735, 98515), (833, 86925), (915, 79135), (931, 77775), (969, 74725), (1037, 69825), (1159, 62475), (1225, 59109), (1275, 56791), (1281, 56525), (1425, 50813), (1525, 47481), (1615, 44835), (1785, 40565), (1995, 36295), (2135, 33915), (2261, 32025), (2499, 28975), (2793, 25925), (2975, 24339), (2989, 24225), (3111, 23275), (3325, 21777), (3477, 20825), (3675, 19703), (4165, 17385), (4575, 15827), (4655, 15555), (4845, 14945), (5185, 13965), (5795, 12495), (6405, 11305), (6783, 10675), (7259, 9975), (8075, 8967), (8113, 8925)]