191235720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7211}}^1$

素因数の和:7255

約数の個数: 128

約数和(自身を含む): 654272640

約数和(自身を除く): 463036920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 7211, 8840, 13260, 14422, 21633, 26520, 28844, 36055, 43266, 57688, 72110, 86532, 93743, 108165, 122587, 144220, 173064, 187486, 216330, 245174, 281229, 288440, 367761, 374972, 432660, 468715, 490348, 562458, 612935, 735522, 749944, 865320, 937430, 980696, 1124916, 1225870, 1406145, 1471044, 1593631, 1838805, 1874860, 2249832, 2451740, 2812290, 2942088, 3187262, 3677610, 3749720, 4780893, 4903480, 5624580, 6374524, 7355220, 7968155, 9561786, 11249160, 12749048, 14710440, 15936310, 19123572, 23904465, 31872620, 38247144, 47808930, 63745240, 95617860, 191235720]

約数ペア:

[(1, 191235720), (2, 95617860), (3, 63745240), (4, 47808930), (5, 38247144), (6, 31872620), (8, 23904465), (10, 19123572), (12, 15936310), (13, 14710440), (15, 12749048), (17, 11249160), (20, 9561786), (24, 7968155), (26, 7355220), (30, 6374524), (34, 5624580), (39, 4903480), (40, 4780893), (51, 3749720), (52, 3677610), (60, 3187262), (65, 2942088), (68, 2812290), (78, 2451740), (85, 2249832), (102, 1874860), (104, 1838805), (120, 1593631), (130, 1471044), (136, 1406145), (156, 1225870), (170, 1124916), (195, 980696), (204, 937430), (221, 865320), (255, 749944), (260, 735522), (312, 612935), (340, 562458), (390, 490348), (408, 468715), (442, 432660), (510, 374972), (520, 367761), (663, 288440), (680, 281229), (780, 245174), (884, 216330), (1020, 187486), (1105, 173064), (1326, 144220), (1560, 122587), (1768, 108165), (2040, 93743), (2210, 86532), (2652, 72110), (3315, 57688), (4420, 43266), (5304, 36055), (6630, 28844), (7211, 26520), (8840, 21633), (13260, 14422)]