72916480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:356

約数の個数: 160

約数和(自身を含む): 215861184

約数和(自身を除く): 142944704

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 313, 320, 364, 416, 448, 455, 512, 520, 560, 626, 640, 728, 832, 896, 910, 1040, 1120, 1252, 1280, 1456, 1565, 1664, 1792, 1820, 2080, 2191, 2240, 2504, 2560, 2912, 3130, 3328, 3584, 3640, 4069, 4160, 4382, 4480, 5008, 5824, 6260, 6656, 7280, 8138, 8320, 8764, 8960, 10016, 10955, 11648, 12520, 14560, 16276, 16640, 17528, 17920, 20032, 20345, 21910, 23296, 25040, 28483, 29120, 32552, 33280, 35056, 40064, 40690, 43820, 46592, 50080, 56966, 58240, 65104, 70112, 80128, 81380, 87640, 100160, 113932, 116480, 130208, 140224, 142415, 160256, 162760, 175280, 200320, 227864, 232960, 260416, 280448, 284830, 325520, 350560, 400640, 455728, 520832, 560896, 569660, 651040, 701120, 801280, 911456, 1041664, 1121792, 1139320, 1302080, 1402240, 1822912, 2083328, 2278640, 2604160, 2804480, 3645824, 4557280, 5208320, 5608960, 7291648, 9114560, 10416640, 14583296, 18229120, 36458240, 72916480]

約数ペア:

[(1, 72916480), (2, 36458240), (4, 18229120), (5, 14583296), (7, 10416640), (8, 9114560), (10, 7291648), (13, 5608960), (14, 5208320), (16, 4557280), (20, 3645824), (26, 2804480), (28, 2604160), (32, 2278640), (35, 2083328), (40, 1822912), (52, 1402240), (56, 1302080), (64, 1139320), (65, 1121792), (70, 1041664), (80, 911456), (91, 801280), (104, 701120), (112, 651040), (128, 569660), (130, 560896), (140, 520832), (160, 455728), (182, 400640), (208, 350560), (224, 325520), (256, 284830), (260, 280448), (280, 260416), (313, 232960), (320, 227864), (364, 200320), (416, 175280), (448, 162760), (455, 160256), (512, 142415), (520, 140224), (560, 130208), (626, 116480), (640, 113932), (728, 100160), (832, 87640), (896, 81380), (910, 80128), (1040, 70112), (1120, 65104), (1252, 58240), (1280, 56966), (1456, 50080), (1565, 46592), (1664, 43820), (1792, 40690), (1820, 40064), (2080, 35056), (2191, 33280), (2240, 32552), (2504, 29120), (2560, 28483), (2912, 25040), (3130, 23296), (3328, 21910), (3584, 20345), (3640, 20032), (4069, 17920), (4160, 17528), (4382, 16640), (4480, 16276), (5008, 14560), (5824, 12520), (6260, 11648), (6656, 10955), (7280, 10016), (8138, 8960), (8320, 8764)]