212923980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 689925600

約数和(自身を除く): 477001620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 149, 153, 170, 180, 204, 255, 298, 306, 340, 447, 467, 510, 596, 612, 745, 765, 894, 934, 1020, 1341, 1401, 1490, 1530, 1788, 1868, 2235, 2335, 2533, 2682, 2802, 2980, 3060, 4203, 4470, 4670, 5066, 5364, 5604, 6705, 7005, 7599, 7939, 8406, 8940, 9340, 10132, 12665, 13410, 14010, 15198, 15878, 16812, 21015, 22797, 23817, 25330, 26820, 28020, 30396, 31756, 37995, 39695, 42030, 45594, 47634, 50660, 69583, 71451, 75990, 79390, 84060, 91188, 95268, 113985, 119085, 139166, 142902, 151980, 158780, 208749, 227970, 238170, 278332, 285804, 347915, 357255, 417498, 455940, 476340, 626247, 695830, 714510, 834996, 1043745, 1182911, 1252494, 1391660, 1429020, 2087490, 2365822, 2504988, 3131235, 3548733, 4174980, 4731644, 5914555, 6262470, 7097466, 10646199, 11829110, 12524940, 14194932, 17743665, 21292398, 23658220, 35487330, 42584796, 53230995, 70974660, 106461990, 212923980]

約数ペア:

[(1, 212923980), (2, 106461990), (3, 70974660), (4, 53230995), (5, 42584796), (6, 35487330), (9, 23658220), (10, 21292398), (12, 17743665), (15, 14194932), (17, 12524940), (18, 11829110), (20, 10646199), (30, 7097466), (34, 6262470), (36, 5914555), (45, 4731644), (51, 4174980), (60, 3548733), (68, 3131235), (85, 2504988), (90, 2365822), (102, 2087490), (149, 1429020), (153, 1391660), (170, 1252494), (180, 1182911), (204, 1043745), (255, 834996), (298, 714510), (306, 695830), (340, 626247), (447, 476340), (467, 455940), (510, 417498), (596, 357255), (612, 347915), (745, 285804), (765, 278332), (894, 238170), (934, 227970), (1020, 208749), (1341, 158780), (1401, 151980), (1490, 142902), (1530, 139166), (1788, 119085), (1868, 113985), (2235, 95268), (2335, 91188), (2533, 84060), (2682, 79390), (2802, 75990), (2980, 71451), (3060, 69583), (4203, 50660), (4470, 47634), (4670, 45594), (5066, 42030), (5364, 39695), (5604, 37995), (6705, 31756), (7005, 30396), (7599, 28020), (7939, 26820), (8406, 25330), (8940, 23817), (9340, 22797), (10132, 21015), (12665, 16812), (13410, 15878), (14010, 15198)]