420327720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:604

約数の個数: 192

約数和(自身を含む): 1458447120

約数和(自身を除く): 1038119400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 173, 180, 204, 255, 306, 340, 346, 360, 397, 408, 510, 519, 612, 680, 692, 765, 794, 865, 1020, 1038, 1191, 1224, 1384, 1530, 1557, 1588, 1730, 1985, 2040, 2076, 2382, 2595, 2941, 3060, 3114, 3176, 3460, 3573, 3970, 4152, 4764, 5190, 5882, 5955, 6120, 6228, 6749, 6920, 7146, 7785, 7940, 8823, 9528, 10380, 11764, 11910, 12456, 13498, 14292, 14705, 15570, 15880, 17646, 17865, 20247, 20760, 23528, 23820, 26469, 26996, 28584, 29410, 31140, 33745, 35292, 35730, 40494, 44115, 47640, 52938, 53992, 58820, 60741, 62280, 67490, 68681, 70584, 71460, 80988, 88230, 101235, 105876, 117640, 121482, 132345, 134980, 137362, 142920, 161976, 176460, 202470, 206043, 211752, 242964, 264690, 269960, 274724, 303705, 343405, 352920, 404940, 412086, 485928, 529380, 549448, 607410, 618129, 686810, 809880, 824172, 1030215, 1058760, 1167577, 1214820, 1236258, 1373620, 1648344, 2060430, 2335154, 2429640, 2472516, 2747240, 3090645, 3502731, 4120860, 4670308, 4945032, 5837885, 6181290, 7005462, 8241720, 9340616, 10508193, 11675770, 12362580, 14010924, 17513655, 21016386, 23351540, 24725160, 28021848, 35027310, 42032772, 46703080, 52540965, 70054620, 84065544, 105081930, 140109240, 210163860, 420327720]

約数ペア:

[(1, 420327720), (2, 210163860), (3, 140109240), (4, 105081930), (5, 84065544), (6, 70054620), (8, 52540965), (9, 46703080), (10, 42032772), (12, 35027310), (15, 28021848), (17, 24725160), (18, 23351540), (20, 21016386), (24, 17513655), (30, 14010924), (34, 12362580), (36, 11675770), (40, 10508193), (45, 9340616), (51, 8241720), (60, 7005462), (68, 6181290), (72, 5837885), (85, 4945032), (90, 4670308), (102, 4120860), (120, 3502731), (136, 3090645), (153, 2747240), (170, 2472516), (173, 2429640), (180, 2335154), (204, 2060430), (255, 1648344), (306, 1373620), (340, 1236258), (346, 1214820), (360, 1167577), (397, 1058760), (408, 1030215), (510, 824172), (519, 809880), (612, 686810), (680, 618129), (692, 607410), (765, 549448), (794, 529380), (865, 485928), (1020, 412086), (1038, 404940), (1191, 352920), (1224, 343405), (1384, 303705), (1530, 274724), (1557, 269960), (1588, 264690), (1730, 242964), (1985, 211752), (2040, 206043), (2076, 202470), (2382, 176460), (2595, 161976), (2941, 142920), (3060, 137362), (3114, 134980), (3176, 132345), (3460, 121482), (3573, 117640), (3970, 105876), (4152, 101235), (4764, 88230), (5190, 80988), (5882, 71460), (5955, 70584), (6120, 68681), (6228, 67490), (6749, 62280), (6920, 60741), (7146, 58820), (7785, 53992), (7940, 52938), (8823, 47640), (9528, 44115), (10380, 40494), (11764, 35730), (11910, 35292), (12456, 33745), (13498, 31140), (14292, 29410), (14705, 28584), (15570, 26996), (15880, 26469), (17646, 23820), (17865, 23528), (20247, 20760)]