144804920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 352477440

約数和(自身を除く): 207672520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 281, 520, 562, 991, 1124, 1405, 1982, 2248, 2810, 3653, 3964, 4955, 5620, 7306, 7928, 9910, 11240, 12883, 14612, 18265, 19820, 25766, 29224, 36530, 39640, 51532, 64415, 73060, 103064, 128830, 146120, 257660, 278471, 515320, 556942, 1113884, 1392355, 2227768, 2784710, 3620123, 5569420, 7240246, 11138840, 14480492, 18100615, 28960984, 36201230, 72402460, 144804920]

約数ペア:

[(1, 144804920), (2, 72402460), (4, 36201230), (5, 28960984), (8, 18100615), (10, 14480492), (13, 11138840), (20, 7240246), (26, 5569420), (40, 3620123), (52, 2784710), (65, 2227768), (104, 1392355), (130, 1113884), (260, 556942), (281, 515320), (520, 278471), (562, 257660), (991, 146120), (1124, 128830), (1405, 103064), (1982, 73060), (2248, 64415), (2810, 51532), (3653, 39640), (3964, 36530), (4955, 29224), (5620, 25766), (7306, 19820), (7928, 18265), (9910, 14612), (11240, 12883)]