31246320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2657}}^1$

素因数の和:2687

約数の個数: 120

約数和(自身を含む): 112720464

約数和(自身を除く): 81474144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2657, 2940, 3920, 5314, 5880, 7971, 10628, 11760, 13285, 15942, 18599, 21256, 26570, 31884, 37198, 39855, 42512, 53140, 55797, 63768, 74396, 79710, 92995, 106280, 111594, 127536, 130193, 148792, 159420, 185990, 212560, 223188, 260386, 278985, 297584, 318840, 371980, 390579, 446376, 520772, 557970, 637680, 650965, 743960, 781158, 892752, 1041544, 1115940, 1301930, 1487920, 1562316, 1952895, 2083088, 2231880, 2603860, 3124632, 3905790, 4463760, 5207720, 6249264, 7811580, 10415440, 15623160, 31246320]

約数ペア:

[(1, 31246320), (2, 15623160), (3, 10415440), (4, 7811580), (5, 6249264), (6, 5207720), (7, 4463760), (8, 3905790), (10, 3124632), (12, 2603860), (14, 2231880), (15, 2083088), (16, 1952895), (20, 1562316), (21, 1487920), (24, 1301930), (28, 1115940), (30, 1041544), (35, 892752), (40, 781158), (42, 743960), (48, 650965), (49, 637680), (56, 557970), (60, 520772), (70, 446376), (80, 390579), (84, 371980), (98, 318840), (105, 297584), (112, 278985), (120, 260386), (140, 223188), (147, 212560), (168, 185990), (196, 159420), (210, 148792), (240, 130193), (245, 127536), (280, 111594), (294, 106280), (336, 92995), (392, 79710), (420, 74396), (490, 63768), (560, 55797), (588, 53140), (735, 42512), (784, 39855), (840, 37198), (980, 31884), (1176, 26570), (1470, 21256), (1680, 18599), (1960, 15942), (2352, 13285), (2657, 11760), (2940, 10628), (3920, 7971), (5314, 5880)]