320495220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 216

約数和(自身を含む): 1060041528

約数和(自身を除く): 739546308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 101, 102, 122, 153, 170, 180, 183, 202, 204, 244, 255, 289, 303, 305, 306, 340, 366, 404, 505, 510, 549, 578, 606, 610, 612, 732, 765, 867, 909, 915, 1010, 1020, 1037, 1098, 1156, 1212, 1220, 1445, 1515, 1530, 1717, 1734, 1818, 1830, 2020, 2074, 2196, 2601, 2745, 2890, 3030, 3060, 3111, 3434, 3468, 3636, 3660, 4148, 4335, 4545, 5151, 5185, 5202, 5490, 5780, 6060, 6161, 6222, 6868, 8585, 8670, 9090, 9333, 10302, 10370, 10404, 10980, 12322, 12444, 13005, 15453, 15555, 17170, 17340, 17629, 18180, 18483, 18666, 20604, 20740, 24644, 25755, 26010, 29189, 30805, 30906, 31110, 34340, 35258, 36966, 37332, 46665, 51510, 52020, 52887, 55449, 58378, 61610, 61812, 62220, 70516, 73932, 77265, 87567, 88145, 92415, 93330, 103020, 104737, 105774, 110898, 116756, 123220, 145945, 154530, 158661, 175134, 176290, 184830, 186660, 209474, 211548, 221796, 262701, 264435, 277245, 291890, 309060, 314211, 317322, 350268, 352580, 369660, 418948, 437835, 523685, 525402, 528870, 554490, 583780, 628422, 634644, 793305, 875670, 942633, 1047370, 1050804, 1057740, 1108980, 1256844, 1313505, 1571055, 1586610, 1751340, 1780529, 1885266, 2094740, 2627010, 3142110, 3173220, 3561058, 3770532, 4713165, 5254020, 5341587, 6284220, 7122116, 8902645, 9426330, 10683174, 16024761, 17805290, 18852660, 21366348, 26707935, 32049522, 35610580, 53415870, 64099044, 80123805, 106831740, 160247610, 320495220]

約数ペア:

[(1, 320495220), (2, 160247610), (3, 106831740), (4, 80123805), (5, 64099044), (6, 53415870), (9, 35610580), (10, 32049522), (12, 26707935), (15, 21366348), (17, 18852660), (18, 17805290), (20, 16024761), (30, 10683174), (34, 9426330), (36, 8902645), (45, 7122116), (51, 6284220), (60, 5341587), (61, 5254020), (68, 4713165), (85, 3770532), (90, 3561058), (101, 3173220), (102, 3142110), (122, 2627010), (153, 2094740), (170, 1885266), (180, 1780529), (183, 1751340), (202, 1586610), (204, 1571055), (244, 1313505), (255, 1256844), (289, 1108980), (303, 1057740), (305, 1050804), (306, 1047370), (340, 942633), (366, 875670), (404, 793305), (505, 634644), (510, 628422), (549, 583780), (578, 554490), (606, 528870), (610, 525402), (612, 523685), (732, 437835), (765, 418948), (867, 369660), (909, 352580), (915, 350268), (1010, 317322), (1020, 314211), (1037, 309060), (1098, 291890), (1156, 277245), (1212, 264435), (1220, 262701), (1445, 221796), (1515, 211548), (1530, 209474), (1717, 186660), (1734, 184830), (1818, 176290), (1830, 175134), (2020, 158661), (2074, 154530), (2196, 145945), (2601, 123220), (2745, 116756), (2890, 110898), (3030, 105774), (3060, 104737), (3111, 103020), (3434, 93330), (3468, 92415), (3636, 88145), (3660, 87567), (4148, 77265), (4335, 73932), (4545, 70516), (5151, 62220), (5185, 61812), (5202, 61610), (5490, 58378), (5780, 55449), (6060, 52887), (6161, 52020), (6222, 51510), (6868, 46665), (8585, 37332), (8670, 36966), (9090, 35258), (9333, 34340), (10302, 31110), (10370, 30906), (10404, 30805), (10980, 29189), (12322, 26010), (12444, 25755), (13005, 24644), (15453, 20740), (15555, 20604), (17170, 18666), (17340, 18483), (17629, 18180)]