About the Number

1661989680

1661989679 ← → 1661989681

2進数表記:1100011000011111111001100110000

漢数字表記:十六億六千百九十八万九千六百八十

素因数分解:

2 4 × 3 2 × 5 1 × 13 1 × 37 1 × 4799 1

素因数の和:4868
約数の個数: 240
約数和(自身を含む): 6174604800
約数和(自身を除く): 4512615120

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 48, 52, 60, 65, 72, 74, 78, 80, 90, 104, 111, 117, 120, 130, 144, 148, 156, 180, 185, 195, 208, 222, 234, 240, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 592, 624, 666, 720, 740, 780, 888, 936, 962, 1040, 1110, 1170, 1332, 1443, 1480, 1560, 1665, 1776, 1872, 1924, 2220, 2340, 2405, 2664, 2886, 2960, 3120, 3330, 3848, 4329, 4440, 4680, 4799, 4810, 5328, 5772, 6660, 7215, 7696, 8658, 8880, 9360, 9598, 9620, 11544, 13320, 14397, 14430, 17316, 19196, 19240, 21645, 23088, 23995, 26640, 28794, 28860, 34632, 38392, 38480, 43191, 43290, 47990, 57588, 57720, 62387, 69264, 71985, 76784, 86382, 86580, 95980, 115176, 115440, 124774, 143970, 172764, 173160, 177563, 187161, 191960, 215955, 230352, 249548, 287940, 311935, 345528, 346320, 355126, 374322, 383920, 431910, 499096, 532689, 561483, 575880, 623870, 691056, 710252, 748644, 863820, 887815, 935805, 998192, 1065378, 1122966, 1151760, 1247740, 1420504, 1497288, 1598067, 1727640, 1775630, 1871610, 2130756, 2245932, 2308319, 2495480, 2663445, 2807415, 2841008, 2994576, 3196134, 3455280, 3551260, 3743220, 4261512, 4491864, 4616638, 4990960, 5326890, 5614830, 6392268, 6924957, 7102520, 7486440, 7990335, 8523024, 8983728, 9233276, 10653780, 11229660, 11541595, 12784536, 13849914, 14205040, 14972880, 15980670, 18466552, 20774871, 21307560, 22459320, 23083190, 25569072, 27699828, 31961340, 34624785, 36933104, 41549742, 42615120, 44918640, 46166380, 55399656, 63922680, 69249570, 83099484, 92332760, 103874355, 110799312, 127845360, 138499140, 166198968, 184665520, 207748710, 276998280, 332397936, 415497420, 553996560, 830994840, 1661989680]

約数ペア:
[(1, 1661989680), (2, 830994840), (3, 553996560), (4, 415497420), (5, 332397936), (6, 276998280), (8, 207748710), (9, 184665520), (10, 166198968), (12, 138499140), (13, 127845360), (15, 110799312), (16, 103874355), (18, 92332760), (20, 83099484), (24, 69249570), (26, 63922680), (30, 55399656), (36, 46166380), (37, 44918640), (39, 42615120), (40, 41549742), (45, 36933104), (48, 34624785), (52, 31961340), (60, 27699828), (65, 25569072), (72, 23083190), (74, 22459320), (78, 21307560), (80, 20774871), (90, 18466552), (104, 15980670), (111, 14972880), (117, 14205040), (120, 13849914), (130, 12784536), (144, 11541595), (148, 11229660), (156, 10653780), (180, 9233276), (185, 8983728), (195, 8523024), (208, 7990335), (222, 7486440), (234, 7102520), (240, 6924957), (260, 6392268), (296, 5614830), (312, 5326890), (333, 4990960), (360, 4616638), (370, 4491864), (390, 4261512), (444, 3743220), (468, 3551260), (481, 3455280), (520, 3196134), (555, 2994576), (585, 2841008), (592, 2807415), (624, 2663445), (666, 2495480), (720, 2308319), (740, 2245932), (780, 2130756), (888, 1871610), (936, 1775630), (962, 1727640), (1040, 1598067), (1110, 1497288), (1170, 1420504), (1332, 1247740), (1443, 1151760), (1480, 1122966), (1560, 1065378), (1665, 998192), (1776, 935805), (1872, 887815), (1924, 863820), (2220, 748644), (2340, 710252), (2405, 691056), (2664, 623870), (2886, 575880), (2960, 561483), (3120, 532689), (3330, 499096), (3848, 431910), (4329, 383920), (4440, 374322), (4680, 355126), (4799, 346320), (4810, 345528), (5328, 311935), (5772, 287940), (6660, 249548), (7215, 230352), (7696, 215955), (8658, 191960), (8880, 187161), (9360, 177563), (9598, 173160), (9620, 172764), (11544, 143970), (13320, 124774), (14397, 115440), (14430, 115176), (17316, 95980), (19196, 86580), (19240, 86382), (21645, 76784), (23088, 71985), (23995, 69264), (26640, 62387), (28794, 57720), (28860, 57588), (34632, 47990), (38392, 43290), (38480, 43191)]

このpageの処理時間: 0.41994333267211914 seconds