31401720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:774

約数の個数: 192

約数和(自身を含む): 123664320

約数和(自身を除く): 92262600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 476, 504, 510, 595, 612, 630, 680, 714, 733, 765, 840, 952, 1020, 1071, 1190, 1224, 1260, 1428, 1466, 1530, 1785, 2040, 2142, 2199, 2380, 2520, 2856, 2932, 3060, 3570, 3665, 4284, 4398, 4760, 5131, 5355, 5864, 6120, 6597, 7140, 7330, 8568, 8796, 10262, 10710, 10995, 12461, 13194, 14280, 14660, 15393, 17592, 20524, 21420, 21990, 24922, 25655, 26388, 29320, 30786, 32985, 37383, 41048, 42840, 43980, 46179, 49844, 51310, 52776, 61572, 62305, 65970, 74766, 76965, 87227, 87960, 92358, 99688, 102620, 112149, 123144, 124610, 131940, 149532, 153930, 174454, 184716, 186915, 205240, 224298, 230895, 249220, 261681, 263880, 299064, 307860, 348908, 369432, 373830, 436135, 448596, 461790, 498440, 523362, 560745, 615720, 697816, 747660, 785043, 872270, 897192, 923580, 1046724, 1121490, 1308405, 1495320, 1570086, 1744540, 1847160, 2093448, 2242980, 2616810, 3140172, 3489080, 3925215, 4485960, 5233620, 6280344, 7850430, 10467240, 15700860, 31401720]

約数ペア:

[(1, 31401720), (2, 15700860), (3, 10467240), (4, 7850430), (5, 6280344), (6, 5233620), (7, 4485960), (8, 3925215), (9, 3489080), (10, 3140172), (12, 2616810), (14, 2242980), (15, 2093448), (17, 1847160), (18, 1744540), (20, 1570086), (21, 1495320), (24, 1308405), (28, 1121490), (30, 1046724), (34, 923580), (35, 897192), (36, 872270), (40, 785043), (42, 747660), (45, 697816), (51, 615720), (56, 560745), (60, 523362), (63, 498440), (68, 461790), (70, 448596), (72, 436135), (84, 373830), (85, 369432), (90, 348908), (102, 307860), (105, 299064), (119, 263880), (120, 261681), (126, 249220), (136, 230895), (140, 224298), (153, 205240), (168, 186915), (170, 184716), (180, 174454), (204, 153930), (210, 149532), (238, 131940), (252, 124610), (255, 123144), (280, 112149), (306, 102620), (315, 99688), (340, 92358), (357, 87960), (360, 87227), (408, 76965), (420, 74766), (476, 65970), (504, 62305), (510, 61572), (595, 52776), (612, 51310), (630, 49844), (680, 46179), (714, 43980), (733, 42840), (765, 41048), (840, 37383), (952, 32985), (1020, 30786), (1071, 29320), (1190, 26388), (1224, 25655), (1260, 24922), (1428, 21990), (1466, 21420), (1530, 20524), (1785, 17592), (2040, 15393), (2142, 14660), (2199, 14280), (2380, 13194), (2520, 12461), (2856, 10995), (2932, 10710), (3060, 10262), (3570, 8796), (3665, 8568), (4284, 7330), (4398, 7140), (4760, 6597), (5131, 6120), (5355, 5864)]