321813180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 216

約数和(自身を含む): 1079114400

約数和(自身を除く): 757301220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 117, 130, 142, 149, 156, 169, 180, 195, 213, 234, 260, 284, 298, 338, 355, 390, 426, 447, 468, 507, 585, 596, 639, 676, 710, 745, 780, 845, 852, 894, 923, 1014, 1065, 1170, 1278, 1341, 1420, 1490, 1521, 1690, 1788, 1846, 1937, 2028, 2130, 2235, 2340, 2535, 2556, 2682, 2769, 2980, 3042, 3195, 3380, 3692, 3874, 4260, 4470, 4615, 5070, 5364, 5538, 5811, 6084, 6390, 6705, 7605, 7748, 8307, 8940, 9230, 9685, 10140, 10579, 11076, 11622, 11999, 12780, 13410, 13845, 15210, 16614, 17433, 18460, 19370, 21158, 23244, 23998, 25181, 26820, 27690, 29055, 30420, 31737, 33228, 34866, 35997, 38740, 41535, 42316, 47996, 50362, 52895, 55380, 58110, 59995, 63474, 69732, 71994, 75543, 83070, 87165, 95211, 100724, 105790, 107991, 116220, 119990, 125905, 126948, 137527, 143988, 151086, 158685, 166140, 174330, 179985, 190422, 211580, 215982, 226629, 239980, 251810, 275054, 302172, 317370, 348660, 359970, 377715, 380844, 412581, 431964, 453258, 476055, 503620, 539955, 550108, 634740, 687635, 719940, 755430, 825162, 906516, 952110, 1079910, 1133145, 1237743, 1375270, 1510860, 1650324, 1787851, 1904220, 2062905, 2159820, 2266290, 2475486, 2750540, 3575702, 4125810, 4532580, 4950972, 5363553, 6188715, 7151404, 8251620, 8939255, 10727106, 12377430, 16090659, 17878510, 21454212, 24754860, 26817765, 32181318, 35757020, 53635530, 64362636, 80453295, 107271060, 160906590, 321813180]

約数ペア:

[(1, 321813180), (2, 160906590), (3, 107271060), (4, 80453295), (5, 64362636), (6, 53635530), (9, 35757020), (10, 32181318), (12, 26817765), (13, 24754860), (15, 21454212), (18, 17878510), (20, 16090659), (26, 12377430), (30, 10727106), (36, 8939255), (39, 8251620), (45, 7151404), (52, 6188715), (60, 5363553), (65, 4950972), (71, 4532580), (78, 4125810), (90, 3575702), (117, 2750540), (130, 2475486), (142, 2266290), (149, 2159820), (156, 2062905), (169, 1904220), (180, 1787851), (195, 1650324), (213, 1510860), (234, 1375270), (260, 1237743), (284, 1133145), (298, 1079910), (338, 952110), (355, 906516), (390, 825162), (426, 755430), (447, 719940), (468, 687635), (507, 634740), (585, 550108), (596, 539955), (639, 503620), (676, 476055), (710, 453258), (745, 431964), (780, 412581), (845, 380844), (852, 377715), (894, 359970), (923, 348660), (1014, 317370), (1065, 302172), (1170, 275054), (1278, 251810), (1341, 239980), (1420, 226629), (1490, 215982), (1521, 211580), (1690, 190422), (1788, 179985), (1846, 174330), (1937, 166140), (2028, 158685), (2130, 151086), (2235, 143988), (2340, 137527), (2535, 126948), (2556, 125905), (2682, 119990), (2769, 116220), (2980, 107991), (3042, 105790), (3195, 100724), (3380, 95211), (3692, 87165), (3874, 83070), (4260, 75543), (4470, 71994), (4615, 69732), (5070, 63474), (5364, 59995), (5538, 58110), (5811, 55380), (6084, 52895), (6390, 50362), (6705, 47996), (7605, 42316), (7748, 41535), (8307, 38740), (8940, 35997), (9230, 34866), (9685, 33228), (10140, 31737), (10579, 30420), (11076, 29055), (11622, 27690), (11999, 26820), (12780, 25181), (13410, 23998), (13845, 23244), (15210, 21158), (16614, 19370), (17433, 18460)]