30721236

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4019}}^1$

素因数の和:4053

約数の個数: 72

約数和(自身を含む): 89822880

約数和(自身を除く): 59101644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 4019, 7644, 8038, 12057, 16076, 24114, 28133, 48228, 52247, 56266, 84399, 104494, 112532, 156741, 168798, 196931, 208988, 313482, 337596, 365729, 393862, 590793, 626964, 731458, 787724, 1097187, 1181586, 1462916, 2194374, 2363172, 2560103, 4388748, 5120206, 7680309, 10240412, 15360618, 30721236]

約数ペア:

[(1, 30721236), (2, 15360618), (3, 10240412), (4, 7680309), (6, 5120206), (7, 4388748), (12, 2560103), (13, 2363172), (14, 2194374), (21, 1462916), (26, 1181586), (28, 1097187), (39, 787724), (42, 731458), (49, 626964), (52, 590793), (78, 393862), (84, 365729), (91, 337596), (98, 313482), (147, 208988), (156, 196931), (182, 168798), (196, 156741), (273, 112532), (294, 104494), (364, 84399), (546, 56266), (588, 52247), (637, 48228), (1092, 28133), (1274, 24114), (1911, 16076), (2548, 12057), (3822, 8038), (4019, 7644)]