21030930180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{176227}}^1$

素因数の和:176275

約数の個数: 192

約数和(自身を含む): 74607886080

約数和(自身を除く): 53576955900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 340, 351, 390, 442, 459, 468, 510, 540, 585, 612, 663, 702, 765, 780, 884, 918, 1020, 1105, 1170, 1326, 1404, 1530, 1755, 1836, 1989, 2210, 2295, 2340, 2652, 3060, 3315, 3510, 3978, 4420, 4590, 5967, 6630, 7020, 7956, 9180, 9945, 11934, 13260, 19890, 23868, 29835, 39780, 59670, 119340, 176227, 352454, 528681, 704908, 881135, 1057362, 1586043, 1762270, 2114724, 2290951, 2643405, 2995859, 3172086, 3524540, 4581902, 4758129, 5286810, 5991718, 6344172, 6872853, 7930215, 8987577, 9163804, 9516258, 10573620, 11454755, 11983436, 13745706, 14979295, 15860430, 17975154, 19032516, 20618559, 22909510, 23790645, 26962731, 27491412, 29958590, 31720860, 34364265, 35950308, 38946167, 41237118, 44937885, 45819020, 47581290, 53925462, 59917180, 61855677, 68728530, 77892334, 80888193, 82474236, 89875770, 95162580, 103092795, 107850924, 116838501, 123711354, 134813655, 137457060, 155784668, 161776386, 179751540, 194730835, 206185590, 233677002, 247422708, 269627310, 309278385, 323552772, 350515503, 389461670, 404440965, 412371180, 467354004, 539254620, 584192505, 618556770, 701031006, 778923340, 808881930, 1051546509, 1168385010, 1237113540, 1402062012, 1617763860, 1752577515, 2103093018, 2336770020, 3505155030, 4206186036, 5257732545, 7010310060, 10515465090, 21030930180]

約数ペア:

[(1, 21030930180), (2, 10515465090), (3, 7010310060), (4, 5257732545), (5, 4206186036), (6, 3505155030), (9, 2336770020), (10, 2103093018), (12, 1752577515), (13, 1617763860), (15, 1402062012), (17, 1237113540), (18, 1168385010), (20, 1051546509), (26, 808881930), (27, 778923340), (30, 701031006), (34, 618556770), (36, 584192505), (39, 539254620), (45, 467354004), (51, 412371180), (52, 404440965), (54, 389461670), (60, 350515503), (65, 323552772), (68, 309278385), (78, 269627310), (85, 247422708), (90, 233677002), (102, 206185590), (108, 194730835), (117, 179751540), (130, 161776386), (135, 155784668), (153, 137457060), (156, 134813655), (170, 123711354), (180, 116838501), (195, 107850924), (204, 103092795), (221, 95162580), (234, 89875770), (255, 82474236), (260, 80888193), (270, 77892334), (306, 68728530), (340, 61855677), (351, 59917180), (390, 53925462), (442, 47581290), (459, 45819020), (468, 44937885), (510, 41237118), (540, 38946167), (585, 35950308), (612, 34364265), (663, 31720860), (702, 29958590), (765, 27491412), (780, 26962731), (884, 23790645), (918, 22909510), (1020, 20618559), (1105, 19032516), (1170, 17975154), (1326, 15860430), (1404, 14979295), (1530, 13745706), (1755, 11983436), (1836, 11454755), (1989, 10573620), (2210, 9516258), (2295, 9163804), (2340, 8987577), (2652, 7930215), (3060, 6872853), (3315, 6344172), (3510, 5991718), (3978, 5286810), (4420, 4758129), (4590, 4581902), (5967, 3524540), (6630, 3172086), (7020, 2995859), (7956, 2643405), (9180, 2290951), (9945, 2114724), (11934, 1762270), (13260, 1586043), (19890, 1057362), (23868, 881135), (29835, 704908), (39780, 528681), (59670, 352454), (119340, 176227)]