138621720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 441619200

約数和(自身を除く): 302997480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 163, 190, 228, 285, 326, 373, 380, 456, 489, 570, 652, 746, 760, 815, 978, 1119, 1140, 1304, 1492, 1630, 1865, 1956, 2238, 2280, 2445, 2984, 3097, 3260, 3730, 3912, 4476, 4890, 5595, 6194, 6520, 7087, 7460, 8952, 9291, 9780, 11190, 12388, 14174, 14920, 15485, 18582, 19560, 21261, 22380, 24776, 28348, 30970, 35435, 37164, 42522, 44760, 46455, 56696, 60799, 61940, 70870, 74328, 85044, 92910, 106305, 121598, 123880, 141740, 170088, 182397, 185820, 212610, 243196, 283480, 303995, 364794, 371640, 425220, 486392, 607990, 729588, 850440, 911985, 1155181, 1215980, 1459176, 1823970, 2310362, 2431960, 3465543, 3647940, 4620724, 5775905, 6931086, 7295880, 9241448, 11551810, 13862172, 17327715, 23103620, 27724344, 34655430, 46207240, 69310860, 138621720]

約数ペア:

[(1, 138621720), (2, 69310860), (3, 46207240), (4, 34655430), (5, 27724344), (6, 23103620), (8, 17327715), (10, 13862172), (12, 11551810), (15, 9241448), (19, 7295880), (20, 6931086), (24, 5775905), (30, 4620724), (38, 3647940), (40, 3465543), (57, 2431960), (60, 2310362), (76, 1823970), (95, 1459176), (114, 1215980), (120, 1155181), (152, 911985), (163, 850440), (190, 729588), (228, 607990), (285, 486392), (326, 425220), (373, 371640), (380, 364794), (456, 303995), (489, 283480), (570, 243196), (652, 212610), (746, 185820), (760, 182397), (815, 170088), (978, 141740), (1119, 123880), (1140, 121598), (1304, 106305), (1492, 92910), (1630, 85044), (1865, 74328), (1956, 70870), (2238, 61940), (2280, 60799), (2445, 56696), (2984, 46455), (3097, 44760), (3260, 42522), (3730, 37164), (3912, 35435), (4476, 30970), (4890, 28348), (5595, 24776), (6194, 22380), (6520, 21261), (7087, 19560), (7460, 18582), (8952, 15485), (9291, 14920), (9780, 14174), (11190, 12388)]