163978920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{65071}}^1$

素因数の和:65095

約数の個数: 96

約数和(自身を含む): 609073920

約数和(自身を除く): 445095000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 65071, 130142, 195213, 260284, 325355, 390426, 455497, 520568, 585639, 650710, 780852, 910994, 976065, 1171278, 1301420, 1366491, 1561704, 1821988, 1952130, 2277485, 2342556, 2602840, 2732982, 2928195, 3643976, 3904260, 4099473, 4554970, 4685112, 5465964, 5856390, 6832455, 7808520, 8198946, 9109940, 10931928, 11712780, 13664910, 16397892, 18219880, 20497365, 23425560, 27329820, 32795784, 40994730, 54659640, 81989460, 163978920]

約数ペア:

[(1, 163978920), (2, 81989460), (3, 54659640), (4, 40994730), (5, 32795784), (6, 27329820), (7, 23425560), (8, 20497365), (9, 18219880), (10, 16397892), (12, 13664910), (14, 11712780), (15, 10931928), (18, 9109940), (20, 8198946), (21, 7808520), (24, 6832455), (28, 5856390), (30, 5465964), (35, 4685112), (36, 4554970), (40, 4099473), (42, 3904260), (45, 3643976), (56, 2928195), (60, 2732982), (63, 2602840), (70, 2342556), (72, 2277485), (84, 1952130), (90, 1821988), (105, 1561704), (120, 1366491), (126, 1301420), (140, 1171278), (168, 976065), (180, 910994), (210, 780852), (252, 650710), (280, 585639), (315, 520568), (360, 455497), (420, 390426), (504, 325355), (630, 260284), (840, 195213), (1260, 130142), (2520, 65071)]