31779540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 107872128

約数和(自身を除く): 76092588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 503, 540, 585, 702, 780, 810, 972, 1006, 1053, 1170, 1215, 1404, 1509, 1620, 1755, 2012, 2106, 2340, 2430, 2515, 3018, 3159, 3510, 4212, 4527, 4860, 5030, 5265, 6036, 6318, 6539, 7020, 7545, 9054, 10060, 10530, 12636, 13078, 13581, 15090, 15795, 18108, 19617, 21060, 22635, 26156, 27162, 30180, 31590, 32695, 39234, 40743, 45270, 54324, 58851, 63180, 65390, 67905, 78468, 81486, 90540, 98085, 117702, 122229, 130780, 135810, 162972, 176553, 196170, 203715, 235404, 244458, 271620, 294255, 353106, 392340, 407430, 488916, 529659, 588510, 611145, 706212, 814860, 882765, 1059318, 1177020, 1222290, 1588977, 1765530, 2118636, 2444580, 2648295, 3177954, 3531060, 5296590, 6355908, 7944885, 10593180, 15889770, 31779540]

約数ペア:

[(1, 31779540), (2, 15889770), (3, 10593180), (4, 7944885), (5, 6355908), (6, 5296590), (9, 3531060), (10, 3177954), (12, 2648295), (13, 2444580), (15, 2118636), (18, 1765530), (20, 1588977), (26, 1222290), (27, 1177020), (30, 1059318), (36, 882765), (39, 814860), (45, 706212), (52, 611145), (54, 588510), (60, 529659), (65, 488916), (78, 407430), (81, 392340), (90, 353106), (108, 294255), (117, 271620), (130, 244458), (135, 235404), (156, 203715), (162, 196170), (180, 176553), (195, 162972), (234, 135810), (243, 130780), (260, 122229), (270, 117702), (324, 98085), (351, 90540), (390, 81486), (405, 78468), (468, 67905), (486, 65390), (503, 63180), (540, 58851), (585, 54324), (702, 45270), (780, 40743), (810, 39234), (972, 32695), (1006, 31590), (1053, 30180), (1170, 27162), (1215, 26156), (1404, 22635), (1509, 21060), (1620, 19617), (1755, 18108), (2012, 15795), (2106, 15090), (2340, 13581), (2430, 13078), (2515, 12636), (3018, 10530), (3159, 10060), (3510, 9054), (4212, 7545), (4527, 7020), (4860, 6539), (5030, 6318), (5265, 6036)]