30851940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 192

約数和(自身を含む): 108864000

約数和(自身を除く): 78012060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 29, 30, 34, 35, 42, 51, 58, 60, 68, 70, 84, 85, 87, 102, 105, 116, 119, 140, 145, 149, 170, 174, 203, 204, 210, 238, 255, 290, 298, 340, 348, 357, 406, 420, 435, 447, 476, 493, 510, 580, 595, 596, 609, 714, 745, 812, 870, 894, 986, 1015, 1020, 1043, 1190, 1218, 1428, 1479, 1490, 1740, 1785, 1788, 1972, 2030, 2086, 2235, 2380, 2436, 2465, 2533, 2958, 2980, 3045, 3129, 3451, 3570, 4060, 4172, 4321, 4470, 4930, 5066, 5215, 5916, 6090, 6258, 6902, 7140, 7395, 7599, 8642, 8940, 9860, 10132, 10353, 10430, 12180, 12516, 12665, 12963, 13804, 14790, 15198, 15645, 17255, 17284, 17731, 20706, 20860, 21605, 25330, 25926, 29580, 30247, 30396, 31290, 34510, 35462, 37995, 41412, 43210, 50660, 51765, 51852, 53193, 60494, 62580, 64815, 69020, 70924, 73457, 75990, 86420, 88655, 90741, 103530, 106386, 120988, 129630, 146914, 151235, 151980, 177310, 181482, 207060, 212772, 220371, 259260, 265965, 293828, 302470, 354620, 362964, 367285, 440742, 453705, 514199, 531930, 604940, 734570, 881484, 907410, 1028398, 1063860, 1101855, 1469140, 1542597, 1814820, 2056796, 2203710, 2570995, 3085194, 4407420, 5141990, 6170388, 7712985, 10283980, 15425970, 30851940]

約数ペア:

[(1, 30851940), (2, 15425970), (3, 10283980), (4, 7712985), (5, 6170388), (6, 5141990), (7, 4407420), (10, 3085194), (12, 2570995), (14, 2203710), (15, 2056796), (17, 1814820), (20, 1542597), (21, 1469140), (28, 1101855), (29, 1063860), (30, 1028398), (34, 907410), (35, 881484), (42, 734570), (51, 604940), (58, 531930), (60, 514199), (68, 453705), (70, 440742), (84, 367285), (85, 362964), (87, 354620), (102, 302470), (105, 293828), (116, 265965), (119, 259260), (140, 220371), (145, 212772), (149, 207060), (170, 181482), (174, 177310), (203, 151980), (204, 151235), (210, 146914), (238, 129630), (255, 120988), (290, 106386), (298, 103530), (340, 90741), (348, 88655), (357, 86420), (406, 75990), (420, 73457), (435, 70924), (447, 69020), (476, 64815), (493, 62580), (510, 60494), (580, 53193), (595, 51852), (596, 51765), (609, 50660), (714, 43210), (745, 41412), (812, 37995), (870, 35462), (894, 34510), (986, 31290), (1015, 30396), (1020, 30247), (1043, 29580), (1190, 25926), (1218, 25330), (1428, 21605), (1479, 20860), (1490, 20706), (1740, 17731), (1785, 17284), (1788, 17255), (1972, 15645), (2030, 15198), (2086, 14790), (2235, 13804), (2380, 12963), (2436, 12665), (2465, 12516), (2533, 12180), (2958, 10430), (2980, 10353), (3045, 10132), (3129, 9860), (3451, 8940), (3570, 8642), (4060, 7599), (4172, 7395), (4321, 7140), (4470, 6902), (4930, 6258), (5066, 6090), (5215, 5916)]