197511720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3221}}^1$

素因数の和:3315

約数の個数: 128

約数和(自身を含む): 686672640

約数和(自身を除く): 489160920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 3221, 4088, 4380, 5110, 6132, 6442, 7665, 8760, 9663, 10220, 12264, 12884, 15330, 16105, 19326, 20440, 22547, 25768, 30660, 32210, 38652, 45094, 48315, 61320, 64420, 67641, 77304, 90188, 96630, 112735, 128840, 135282, 180376, 193260, 225470, 235133, 270564, 338205, 386520, 450940, 470266, 541128, 676410, 705399, 901880, 940532, 1175665, 1352820, 1410798, 1645931, 1881064, 2351330, 2705640, 2821596, 3291862, 3526995, 4702660, 4937793, 5643192, 6583724, 7053990, 8229655, 9405320, 9875586, 13167448, 14107980, 16459310, 19751172, 24688965, 28215960, 32918620, 39502344, 49377930, 65837240, 98755860, 197511720]

約数ペア:

[(1, 197511720), (2, 98755860), (3, 65837240), (4, 49377930), (5, 39502344), (6, 32918620), (7, 28215960), (8, 24688965), (10, 19751172), (12, 16459310), (14, 14107980), (15, 13167448), (20, 9875586), (21, 9405320), (24, 8229655), (28, 7053990), (30, 6583724), (35, 5643192), (40, 4937793), (42, 4702660), (56, 3526995), (60, 3291862), (70, 2821596), (73, 2705640), (84, 2351330), (105, 1881064), (120, 1645931), (140, 1410798), (146, 1352820), (168, 1175665), (210, 940532), (219, 901880), (280, 705399), (292, 676410), (365, 541128), (420, 470266), (438, 450940), (511, 386520), (584, 338205), (730, 270564), (840, 235133), (876, 225470), (1022, 193260), (1095, 180376), (1460, 135282), (1533, 128840), (1752, 112735), (2044, 96630), (2190, 90188), (2555, 77304), (2920, 67641), (3066, 64420), (3221, 61320), (4088, 48315), (4380, 45094), (5110, 38652), (6132, 32210), (6442, 30660), (7665, 25768), (8760, 22547), (9663, 20440), (10220, 19326), (12264, 16105), (12884, 15330)]