221182920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1765

約数の個数: 256

約数和(自身を含む): 892684800

約数和(自身を除く): 671501880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 340, 357, 360, 378, 408, 420, 459, 476, 504, 510, 540, 595, 612, 630, 680, 714, 756, 765, 840, 918, 945, 952, 1020, 1071, 1080, 1190, 1224, 1260, 1428, 1512, 1530, 1721, 1785, 1836, 1890, 2040, 2142, 2295, 2380, 2520, 2856, 3060, 3213, 3442, 3570, 3672, 3780, 4284, 4590, 4760, 5163, 5355, 6120, 6426, 6884, 7140, 7560, 8568, 8605, 9180, 10326, 10710, 12047, 12852, 13768, 14280, 15489, 16065, 17210, 18360, 20652, 21420, 24094, 25704, 25815, 29257, 30978, 32130, 34420, 36141, 41304, 42840, 46467, 48188, 51630, 58514, 60235, 61956, 64260, 68840, 72282, 77445, 87771, 92934, 96376, 103260, 108423, 117028, 120470, 123912, 128520, 144564, 146285, 154890, 175542, 180705, 185868, 204799, 206520, 216846, 232335, 234056, 240940, 263313, 289128, 292570, 309780, 325269, 351084, 361410, 371736, 409598, 433692, 438855, 464670, 481880, 526626, 542115, 585140, 614397, 619560, 650538, 702168, 722820, 789939, 819196, 867384, 877710, 929340, 1023995, 1053252, 1084230, 1170280, 1228794, 1301076, 1316565, 1445640, 1579878, 1626345, 1638392, 1755420, 1843191, 1858680, 2047990, 2106504, 2168460, 2457588, 2602152, 2633130, 3071985, 3159756, 3252690, 3510840, 3686382, 3949695, 4095980, 4336920, 4915176, 5266260, 5529573, 6143970, 6319512, 6505380, 7372764, 7899390, 8191960, 9215955, 10532520, 11059146, 12287940, 13010760, 14745528, 15798780, 18431910, 22118292, 24575880, 27647865, 31597560, 36863820, 44236584, 55295730, 73727640, 110591460, 221182920]

約数ペア:

[(1, 221182920), (2, 110591460), (3, 73727640), (4, 55295730), (5, 44236584), (6, 36863820), (7, 31597560), (8, 27647865), (9, 24575880), (10, 22118292), (12, 18431910), (14, 15798780), (15, 14745528), (17, 13010760), (18, 12287940), (20, 11059146), (21, 10532520), (24, 9215955), (27, 8191960), (28, 7899390), (30, 7372764), (34, 6505380), (35, 6319512), (36, 6143970), (40, 5529573), (42, 5266260), (45, 4915176), (51, 4336920), (54, 4095980), (56, 3949695), (60, 3686382), (63, 3510840), (68, 3252690), (70, 3159756), (72, 3071985), (84, 2633130), (85, 2602152), (90, 2457588), (102, 2168460), (105, 2106504), (108, 2047990), (119, 1858680), (120, 1843191), (126, 1755420), (135, 1638392), (136, 1626345), (140, 1579878), (153, 1445640), (168, 1316565), (170, 1301076), (180, 1228794), (189, 1170280), (204, 1084230), (210, 1053252), (216, 1023995), (238, 929340), (252, 877710), (255, 867384), (270, 819196), (280, 789939), (306, 722820), (315, 702168), (340, 650538), (357, 619560), (360, 614397), (378, 585140), (408, 542115), (420, 526626), (459, 481880), (476, 464670), (504, 438855), (510, 433692), (540, 409598), (595, 371736), (612, 361410), (630, 351084), (680, 325269), (714, 309780), (756, 292570), (765, 289128), (840, 263313), (918, 240940), (945, 234056), (952, 232335), (1020, 216846), (1071, 206520), (1080, 204799), (1190, 185868), (1224, 180705), (1260, 175542), (1428, 154890), (1512, 146285), (1530, 144564), (1721, 128520), (1785, 123912), (1836, 120470), (1890, 117028), (2040, 108423), (2142, 103260), (2295, 96376), (2380, 92934), (2520, 87771), (2856, 77445), (3060, 72282), (3213, 68840), (3442, 64260), (3570, 61956), (3672, 60235), (3780, 58514), (4284, 51630), (4590, 48188), (4760, 46467), (5163, 42840), (5355, 41304), (6120, 36141), (6426, 34420), (6884, 32130), (7140, 30978), (7560, 29257), (8568, 25815), (8605, 25704), (9180, 24094), (10326, 21420), (10710, 20652), (12047, 18360), (12852, 17210), (13768, 16065), (14280, 15489)]