30958720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 81031860

約数和(自身を除く): 50073140

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 208, 244, 260, 305, 320, 416, 488, 520, 610, 640, 793, 832, 976, 1040, 1220, 1586, 1664, 1952, 2080, 2440, 3172, 3721, 3904, 3965, 4160, 4880, 6344, 7442, 7808, 7930, 8320, 9760, 12688, 14884, 15860, 18605, 19520, 25376, 29768, 31720, 37210, 39040, 48373, 50752, 59536, 63440, 74420, 96746, 101504, 119072, 126880, 148840, 193492, 238144, 241865, 253760, 297680, 386984, 476288, 483730, 507520, 595360, 773968, 967460, 1190720, 1547936, 1934920, 2381440, 3095872, 3869840, 6191744, 7739680, 15479360, 30958720]

約数ペア:

[(1, 30958720), (2, 15479360), (4, 7739680), (5, 6191744), (8, 3869840), (10, 3095872), (13, 2381440), (16, 1934920), (20, 1547936), (26, 1190720), (32, 967460), (40, 773968), (52, 595360), (61, 507520), (64, 483730), (65, 476288), (80, 386984), (104, 297680), (122, 253760), (128, 241865), (130, 238144), (160, 193492), (208, 148840), (244, 126880), (260, 119072), (305, 101504), (320, 96746), (416, 74420), (488, 63440), (520, 59536), (610, 50752), (640, 48373), (793, 39040), (832, 37210), (976, 31720), (1040, 29768), (1220, 25376), (1586, 19520), (1664, 18605), (1952, 15860), (2080, 14884), (2440, 12688), (3172, 9760), (3721, 8320), (3904, 7930), (3965, 7808), (4160, 7442), (4880, 6344)]