31408560

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 200

約数和(自身を含む): 112890096

約数和(自身を除く): 81481536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 131, 135, 144, 148, 162, 180, 185, 216, 222, 240, 262, 270, 296, 324, 333, 360, 370, 393, 405, 432, 444, 524, 540, 555, 592, 648, 655, 666, 720, 740, 786, 810, 888, 999, 1048, 1080, 1110, 1179, 1296, 1310, 1332, 1480, 1572, 1620, 1665, 1776, 1965, 1998, 2096, 2160, 2220, 2358, 2620, 2664, 2960, 2997, 3144, 3240, 3330, 3537, 3930, 3996, 4440, 4716, 4847, 4995, 5240, 5328, 5895, 5994, 6288, 6480, 6660, 7074, 7860, 7992, 8880, 9432, 9694, 9990, 10480, 10611, 11790, 11988, 13320, 14148, 14541, 14985, 15720, 15984, 17685, 18864, 19388, 19980, 21222, 23580, 23976, 24235, 26640, 28296, 29082, 29970, 31440, 35370, 38776, 39960, 42444, 43623, 47160, 47952, 48470, 53055, 56592, 58164, 59940, 70740, 72705, 77552, 79920, 84888, 87246, 94320, 96940, 106110, 116328, 119880, 130869, 141480, 145410, 169776, 174492, 193880, 212220, 218115, 232656, 239760, 261738, 282960, 290820, 348984, 387760, 392607, 424440, 436230, 523476, 581640, 654345, 697968, 785214, 848880, 872460, 1046952, 1163280, 1308690, 1570428, 1744920, 1963035, 2093904, 2617380, 3140856, 3489840, 3926070, 5234760, 6281712, 7852140, 10469520, 15704280, 31408560]

約数ペア:

[(1, 31408560), (2, 15704280), (3, 10469520), (4, 7852140), (5, 6281712), (6, 5234760), (8, 3926070), (9, 3489840), (10, 3140856), (12, 2617380), (15, 2093904), (16, 1963035), (18, 1744920), (20, 1570428), (24, 1308690), (27, 1163280), (30, 1046952), (36, 872460), (37, 848880), (40, 785214), (45, 697968), (48, 654345), (54, 581640), (60, 523476), (72, 436230), (74, 424440), (80, 392607), (81, 387760), (90, 348984), (108, 290820), (111, 282960), (120, 261738), (131, 239760), (135, 232656), (144, 218115), (148, 212220), (162, 193880), (180, 174492), (185, 169776), (216, 145410), (222, 141480), (240, 130869), (262, 119880), (270, 116328), (296, 106110), (324, 96940), (333, 94320), (360, 87246), (370, 84888), (393, 79920), (405, 77552), (432, 72705), (444, 70740), (524, 59940), (540, 58164), (555, 56592), (592, 53055), (648, 48470), (655, 47952), (666, 47160), (720, 43623), (740, 42444), (786, 39960), (810, 38776), (888, 35370), (999, 31440), (1048, 29970), (1080, 29082), (1110, 28296), (1179, 26640), (1296, 24235), (1310, 23976), (1332, 23580), (1480, 21222), (1572, 19980), (1620, 19388), (1665, 18864), (1776, 17685), (1965, 15984), (1998, 15720), (2096, 14985), (2160, 14541), (2220, 14148), (2358, 13320), (2620, 11988), (2664, 11790), (2960, 10611), (2997, 10480), (3144, 9990), (3240, 9694), (3330, 9432), (3537, 8880), (3930, 7992), (3996, 7860), (4440, 7074), (4716, 6660), (4847, 6480), (4995, 6288), (5240, 5994), (5328, 5895)]